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2020-03-19nvmem: fix memory leak in error pathBartosz Golaszewski1-2/+6
We need to free the ida mapping and nvmem struct if the write-protect GPIO lookup fails. Fixes: 2a127da461a9 ("nvmem: add support for the write-protect pin") Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Link: https://lore.kernel.org/r/20200310132257.23358-7-srinivas.kandagatla@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-19nvmem: add a newline for readabilityBartosz Golaszewski1-0/+1
Visibly separate the GPIO request from the previous operation in the code with a newline. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Link: https://lore.kernel.org/r/20200310132257.23358-6-srinivas.kandagatla@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-19nvmem: remove a stray newline in nvmem_register()Bartosz Golaszewski1-1/+0
Two newlines are unnecessary - remove one. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Link: https://lore.kernel.org/r/20200310132257.23358-5-srinivas.kandagatla@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-19nvmem: core: add nvmem_cell_read_u64Yangtao Li1-0/+15
Add nvmem_cell_read_u64() helper to ease read of an u64 value on consumer side. This helper is useful on some sunxi platform that has 64 bits data cells stored in no volatile memory. Signed-off-by: Yangtao Li <tiny.windzz@gmail.com> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Link: https://lore.kernel.org/r/20200310132257.23358-4-srinivas.kandagatla@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-19nvmem: core: add nvmem_cell_read_commonYangtao Li1-35/+19
Now there are nvmem_cell_read_u16 and nvmem_cell_read_u32. They are very similar, let's strip out a common part. And use nvmem_cell_read_common to simplify their implementation. Signed-off-by: Yangtao Li <tiny.windzz@gmail.com> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Link: https://lore.kernel.org/r/20200310132257.23358-3-srinivas.kandagatla@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-19nvmem: imx: ocotp: add i.MX8MP supportPeng Fan1-0/+21
i.MX8MP has 96 banks with each bank 4 words. And it has different ctrl register layout, so add new macros for that. Signed-off-by: Peng Fan <peng.fan@nxp.com> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Link: https://lore.kernel.org/r/20200310132257.23358-2-srinivas.kandagatla@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-19rtc/alpha: remove legacy rtc driverArnd Bergmann3-1371/+0
The old drivers/char/rtc.c driver was originally the implementation for x86 PCs but got subsequently replaced by the rtc class driver on all architectures except alpha. Move alpha over to the portable driver and remove the old one for good. The CONFIG_JS_RTC option was only ever used on SPARC32 but has not been available for many years, this was used to build the same rtc driver with a different module name. Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Matt Turner <mattst88@gmail.com> Cc: linux-alpha@vger.kernel.org Cc: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20200226224322.187960-2-alexandre.belloni@bootlin.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-19rtc/ia64: remove legacy efirtc driverArnd Bergmann3-371/+0
There are two EFI RTC drivers, the original drivers/char/efirtc.c driver and the more modern drivers/rtc/rtc-efi.c. Both implement the same interface, but the new one does so in a more portable way. Move everything over to that one and remove the old one. Cc: linux-ia64@vger.kernel.org Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Stephane Eranian <eranian@google.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20200226224322.187960-1-alexandre.belloni@bootlin.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-19binderfs: port to new mount apiChristian Brauner1-96/+104
When I first wrote binderfs the new mount api had not yet landed. Now that it has been around for a little while and a bunch of filesystems have already been ported we should do so too. When Al sent his mount-api-conversion pr he requested that binderfs (and a few others) be ported separately. It's time we port binderfs. We can make use of the new option parser, get nicer infrastructure and it will be easier if we ever add any new mount options. This survives testing with the binderfs selftests: for i in `seq 1 1000`; do ./binderfs_test; done including the new stress tests I sent out for review today: TAP version 13 1..1 # selftests: filesystems/binderfs: binderfs_test # [==========] Running 3 tests from 1 test cases. # [ RUN ] global.binderfs_stress # [ XFAIL! ] Tests are not run as root. Skipping privileged tests # [==========] Running 3 tests from 1 test cases. # [ RUN ] global.binderfs_stress # [ OK ] global.binderfs_stress # [ RUN ] global.binderfs_test_privileged # [ OK ] global.binderfs_test_privileged # [ RUN ] global.binderfs_test_unprivileged # # Allocated new binder device with major 243, minor 4, and name my-binder # # Detected binder version: 8 # [==========] Running 3 tests from 1 test cases. # [ RUN ] global.binderfs_stress # [ OK ] global.binderfs_stress # [ RUN ] global.binderfs_test_privileged # [ OK ] global.binderfs_test_privileged # [ RUN ] global.binderfs_test_unprivileged # [ OK ] global.binderfs_test_unprivileged # [==========] 3 / 3 tests passed. # [ PASSED ] ok 1 selftests: filesystems/binderfs: binderfs_test Cc: Todd Kjos <tkjos@google.com> Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com> Reviewed-by: Kees Cook <keescook@chromium.org> Link: https://lore.kernel.org/r/20200313153427.141789-1-christian.brauner@ubuntu.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-18uio: uio_pdrv_genirq: use new devm_uio_register_device() functionAlexandru Ardelean1-20/+14
This change makes use of the new devm_uio_register_device() initializer. This cleans up the exit path quite nicely, and removes the remove function of the driver. Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com> Link: https://lore.kernel.org/r/20200306161853.25368-2-alexandru.ardelean@analog.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-18uio: add resource managed devm_uio_register_device() functionAlexandru Ardelean1-0/+38
This change adds a resource managed equivalent of uio_register_device(). Not adding devm_uio_unregister_device(), since the intent is to discourage it's usage. Having such a function may allow some bad driver designs. Most users of devm_*register*() functions rarely use the unregister equivalents. Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com> Link: https://lore.kernel.org/r/20200306161853.25368-1-alexandru.ardelean@analog.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-18firmware: imx: add COMPILE_TEST supportAnson Huang1-2/+2
Add COMPILE_TEST support to i.MX SCU drivers for better compile testing coverage. Signed-off-by: Anson Huang <Anson.Huang@nxp.com> Link: https://lore.kernel.org/r/1583509356-8265-1-git-send-email-Anson.Huang@nxp.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-18misc: move FLASH_MINOR into miscdevice.h and fix conflictsZhenzhong Duan2-4/+2
FLASH_MINOR is used in both drivers/char/nwflash.c and drivers/sbus/char/flash.c with conflict minor numbers. Move all the definitions of FLASH_MINOR into miscdevice.h. Rename FLASH_MINOR for drivers/char/nwflash.c to NWFLASH_MINOR and FLASH_MINOR for drivers/sbus/char/flash.c to SBUS_FLASH_MINOR. Link: https://lore.kernel.org/lkml/20200120221323.GJ15860@mit.edu/t/ Suggested-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Zhenzhong Duan <zhenzhong.duan@gmail.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Russell King <linux@armlinux.org.uk> Cc: "David S. Miller" <davem@davemloft.net> Link: https://lore.kernel.org/r/20200311071654.335-3-zhenzhong.duan@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-18misc: cleanup minor number definitions in c file into miscdevice.hZhenzhong Duan11-22/+4
HWRNG_MINOR and RNG_MISCDEV_MINOR are duplicate definitions, use unified HWRNG_MINOR instead and moved into miscdevice.h ANSLCD_MINOR and LCD_MINOR are duplicate definitions, use unified LCD_MINOR instead and moved into miscdevice.h MISCDEV_MINOR is renamed to PXA3XX_GCU_MINOR and moved into miscdevice.h Other definitions are just moved without any change. Link: https://lore.kernel.org/lkml/20200120221323.GJ15860@mit.edu/t/ Suggested-by: Arnd Bergmann <arnd@arndb.de> Build-tested-by: Willy TARREAU <wtarreau@haproxy.com> Build-tested-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com> Signed-off-by: Zhenzhong Duan <zhenzhong.duan@gmail.com> Acked-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Link: https://lore.kernel.org/r/20200311071654.335-2-zhenzhong.duan@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-18mei: fix CNL itouch device number to match the spec.Alexander Usyskin2-4/+4
The Cannon Lake device for itouch in HW spec is numbered 3, not 4. Fix the internal numbering to match the HW spec. Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Link: https://lore.kernel.org/r/20200227112737.8383-1-tomas.winkler@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-18misc: Replace zero-length array with flexible-array memberGustavo A. R. Silva4-4/+4
The current codebase makes use of the zero-length array language extension to the C90 standard, but the preferred mechanism to declare variable-length types such as these ones is a flexible array member[1][2], introduced in C99: struct foo { int stuff; struct boo array[]; }; By making use of the mechanism above, we will get a compiler warning in case the flexible array does not occur last in the structure, which will help us prevent some kind of undefined behavior bugs from being inadvertently introduced[3] to the codebase from now on. Also, notice that, dynamic memory allocations won't be affected by this change: "Flexible array members have incomplete type, and so the sizeof operator may not be applied. As a quirk of the original implementation of zero-length arrays, sizeof evaluates to zero."[1] This issue was found with the help of Coccinelle. [1] https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html [2] https://github.com/KSPP/linux/issues/21 [3] commit 76497732932f ("cxgb3/l2t: Fix undefined behaviour") Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Acked-by: Dimitri Sivanich <sivanich@hpe.com> Link: https://lore.kernel.org/r/20200226222240.GA14474@embeddedor Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-18misc: mic: Use scnprintf() for avoiding potential buffer overflowTakashi Iwai1-2/+2
Since snprintf() returns the would-be-output size instead of the actual output size, the succeeding calls may go beyond the given buffer limit. Fix it by replacing with scnprintf(). Signed-off-by: Takashi Iwai <tiwai@suse.de> Link: https://lore.kernel.org/r/20200311074916.8783-1-tiwai@suse.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-18firmware: stratix10-svc: add the compatible value for intel agilexRichard Gong1-0/+1
Add the compatible property value so we can reuse Intel Stratix10 Service Layer driver on Intel Agilex SoC platform. Signed-off-by: Richard Gong <richard.gong@intel.com> Acked-by: Moritz Fischer <mdf@kernel.org> Link: https://lore.kernel.org/r/1583428346-13307-2-git-send-email-richard.gong@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-18firmware: intel_stratix10_service: add depend on agilexRichard Gong1-1/+1
Add depend on Agilex for Intel Agilex SoC platform. Signed-off-by: Richard Gong <richard.gong@intel.com> Acked-by: Moritz Fischer <mdf@kernel.org> Link: https://lore.kernel.org/r/1583428346-13307-3-git-send-email-richard.gong@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-18intel_th: Disallow multi mode on devices where it's brokenAlexander Shishkin3-4/+17
Some versions of Intel TH have an issue that prevents the multi mode of MSU from working correctly, resulting in no trace data and potentially stuck MSU pipeline. Disable multi mode on such devices. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20200317062215.15598-2-alexander.shishkin@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-12tty: reorganize tty & serial menusRandy Dunlap1-87/+86
Move LDISC_AUTOLOAD ahead of the Serial drivers menu. Move the Serial drivers menu ahead of the Non-standard serial port support menu. Move NOZOMI out of the SERIAL_NONSTANDARD area since it does not depend on SERIAL_NONSTANDARD and it breaks the SERIAL_NONSTANDARD menu list. Alphabetize the remaining drivers (in tty/Kconfig) by their prompt strings. [The drivers in tty/hvc/Kconfig and tty/serial/Kconfig have not been alphabetized.] Cc: Jiri Slaby <jslaby@suse.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Arnd Bergmann <arnd@arndb.de> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Link: https://lore.kernel.org/r/20200311225736.32147-4-rdunlap@infradead.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-12tty: source all tty Kconfig files in one placeRandy Dunlap4-12/+6
'source' (include) all of the tty/*/Kconfig files from drivers/tty/Kconfig instead of from drivers/char/Kconfig. This consolidates them both in source code and in menu presentation to the user. Move hvc/Kconfig and serial/Kconfig 'source' lines into the if TTY/endif block and remove the if TTY/endif blocks from those 2 files. Cc: linux-serial@vger.kernel.org Cc: Jiri Slaby <jslaby@suse.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Arnd Bergmann <arnd@arndb.de> Suggested-by: Jiri Slaby <jslaby@suse.com> Suggested-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Link: https://lore.kernel.org/r/20200311225736.32147-3-rdunlap@infradead.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-12char: group dev configs togtherRandy Dunlap1-50/+50
Group /dev/{mem,kmem,nvram,raw,port} driver configs together. This also means that tty configs are now grouped together instead of being split up. This just moves Kconfig lines around. There are no other changes. Cc: linux-serial@vger.kernel.org Cc: Jiri Slaby <jslaby@suse.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Arnd Bergmann <arnd@arndb.de> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Link: https://lore.kernel.org/r/20200311225736.32147-2-rdunlap@infradead.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-09Merge 5.6-rc5 into char-misc-nextGreg Kroah-Hartman217-1301/+2733
We need the binder and other fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-08Merge tag 'armsoc-fixes' of ↵Linus Torvalds10-33/+329
git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc Pull ARM SoC fixes from Olof Johansson: "We've been accruing these for a couple of weeks, so the batch is a bit bigger than usual. Largest delta is due to a led-bl driver that is added -- there was a miscommunication before the merge window and the driver didn't make it in. Due to this, the platforms needing it regressed. At this point, it seemed easier to add the new driver than unwind the changes. Besides that, there are a handful of various fixes: - AMD tee memory leak fix - A handful of fixlets for i.MX SCU communication - A few maintainers woke up and realized DEBUG_FS had been missing for a while, so a few updates of that. ... and the usual collection of smaller fixes to various platforms" * tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (37 commits) ARM: socfpga_defconfig: Add back DEBUG_FS arm64: dts: socfpga: agilex: Fix gmac compatible ARM: bcm2835_defconfig: Explicitly restore CONFIG_DEBUG_FS arm64: dts: meson: fix gxm-khadas-vim2 wifi arm64: dts: meson-sm1-sei610: add missing interrupt-names ARM: meson: Drop unneeded select of COMMON_CLK ARM: dts: bcm2711: Add pcie0 alias ARM: dts: bcm283x: Add missing properties to the PWR LED tee: amdtee: fix memory leak in amdtee_open_session() ARM: OMAP2+: Fix compile if CONFIG_HAVE_ARM_SMCCC is not set arm: dts: dra76x: Fix mmc3 max-frequency ARM: dts: dra7: Add "dma-ranges" property to PCIe RC DT nodes bus: ti-sysc: Fix 1-wire reset quirk ARM: dts: r8a7779: Remove deprecated "renesas, rcar-sata" compatible value soc: imx-scu: Align imx sc msg structs to 4 firmware: imx: Align imx_sc_msg_req_cpu_start to 4 firmware: imx: scu-pd: Align imx sc msg structs to 4 firmware: imx: misc: Align imx sc msg structs to 4 firmware: imx: scu: Ensure sequential TX ARM: dts: imx7-colibri: Fix frequency for sd/mmc ...
2020-03-08Merge tag 'edac_urgent-2020-03-08' of ↵Linus Torvalds1-15/+7
git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras Pull EDAC fix from Borislav Petkov: "Error reporting fix for synopsys_edac: do not overwrite partial decoded error message (Sherry Sun)" * tag 'edac_urgent-2020-03-08' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras: EDAC/synopsys: Do not print an error with back-to-back snprintf() calls
2020-03-08Merge tag 'char-misc-5.6-rc5' of ↵Linus Torvalds5-8/+31
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc fixes from Greg KH: "Here are four small char/misc driver fixes for reported issues for 5.6-rc5. These fixes are: - binder fix for a potential use-after-free problem found (took two tries to get it right) - interconnect core fix - altera-stapl driver fix All four of these have been in linux-next for a while with no reported issues" * tag 'char-misc-5.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: binder: prevent UAF for binderfs devices II interconnect: Handle memory allocation errors altera-stapl: altera_get_note: prevent write beyond end of 'key' binder: prevent UAF for binderfs devices
2020-03-08Merge tag 'driver-core-5.6-rc5' of ↵Linus Torvalds1-7/+20
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core and debugfs fixes from Greg KH: "Here are four small driver core / debugfs patches for 5.6-rc3: - debugfs api cleanup now that all debugfs_create_regset32() callers have been fixed up. This was waiting until after the -rc1 merge as these fixes came in through different trees - driver core sync state fixes based on reports of minor issues found in the feature All of these have been in linux-next with no reported issues" * tag 'driver-core-5.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: driver core: Skip unnecessary work when device doesn't have sync_state() driver core: Add dev_has_sync_state() driver core: Call sync_state() even if supplier has no consumers debugfs: remove return value of debugfs_create_regset32()
2020-03-08Merge tag 'tty-5.6-rc5' of ↵Linus Torvalds7-29/+88
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull tty/serial fixes from Greg KH: "Here are some small tty/serial fixes for 5.6-rc5 Just some small serial driver fixes, and a vt core fixup, full details are: - vt fixes for issues found by syzbot - serdev fix for Apple boxes - fsl_lpuart serial driver fixes - MAINTAINER update for incorrect serial files - new device ids for 8250_exar driver - mvebu-uart fix All of these have been in linux-next with no reported issues" * tag 'tty-5.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: tty: serial: fsl_lpuart: free IDs allocated by IDA Revert "tty: serial: fsl_lpuart: drop EARLYCON_DECLARE" serdev: Fix detection of UART devices on Apple machines. MAINTAINERS: Add missed files related to Synopsys DesignWare UART serial: 8250_exar: add support for ACCES cards tty:serial:mvebu-uart:fix a wrong return vt: selection, push sel_lock up vt: selection, push console lock down
2020-03-08Merge tag 'usb-5.6-rc5' of ↵Linus Torvalds12-117/+163
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB/PHY fixes from Greg KH: "Here are some small USB and PHY driver fixes for reported issues for 5.6-rc5. Included in here are: - phy driver fixes - new USB quirks - USB cdns3 gadget driver fixes - USB hub core fixes All of these have been in linux-next with no reported issues" * tag 'usb-5.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: usb: dwc3: gadget: Update chain bit correctly when using sg list usb: core: port: do error out if usb_autopm_get_interface() fails usb: core: hub: do error out if usb_autopm_get_interface() fails usb: core: hub: fix unhandled return by employing a void function usb: storage: Add quirk for Samsung Fit flash usb: quirks: add NO_LPM quirk for Logitech Screen Share usb: usb251xb: fix regulator probe and error handling phy: allwinner: Fix GENMASK misuse usb: cdns3: gadget: toggle cycle bit before reset endpoint usb: cdns3: gadget: link trb should point to next request phy: mapphone-mdm6600: Fix timeouts by adding wake-up handling phy: brcm-sata: Correct MDIO operations for 40nm platforms phy: ti: gmii-sel: do not fail in case of gmii phy: ti: gmii-sel: fix set of copy-paste errors phy: core: Fix phy_get() to not return error on link creation failure phy: mapphone-mdm6600: Fix write timeouts with shorter GPIO toggle interval
2020-03-07Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdmaLinus Torvalds15-59/+95
Pull rdma fixes from Jason Gunthorpe: "Nothing particularly exciting, some small ODP regressions from the mmu notifier rework, another bunch of syzkaller fixes, and a bug fix for a botched syzkaller fix in the first rc pull request. - Fix busted syzkaller fix in 'get_new_pps' - this turned out to crash on certain HW configurations - Bug fixes for various missed things in error unwinds - Add a missing rcu_read_lock annotation in hfi/qib - Fix two ODP related regressions from the recent mmu notifier changes - Several more syzkaller bugs in siw, RDMA netlink, verbs and iwcm - Revert an old patch in CMA as it is now shown to not be allocating port numbers properly" * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: RDMA/iwcm: Fix iwcm work deallocation RDMA/siw: Fix failure handling during device creation RDMA/nldev: Fix crash when set a QP to a new counter but QPN is missing RDMA/odp: Ensure the mm is still alive before creating an implicit child RDMA/core: Fix protection fault in ib_mr_pool_destroy IB/mlx5: Fix implicit ODP race IB/hfi1, qib: Ensure RCU is locked when accessing list RDMA/core: Fix pkey and port assignment in get_new_pps RMDA/cm: Fix missing ib_cm_destroy_id() in ib_cm_insert_listen() RDMA/rw: Fix error flow during RDMA context initialization RDMA/core: Fix use of logical OR in get_new_pps Revert "RDMA/cma: Simplify rdma_resolve_addr() error flow"
2020-03-07Merge tag 'block-5.6-2020-03-07' of git://git.kernel.dk/linux-blockLinus Torvalds2-29/+2
Pull block fixes from Jens Axboe: "Here are a few fixes that should go into this release. This contains: - Revert of a bad bcache patch from this merge window - Removed unused function (Daniel) - Fixup for the blktrace fix from Jan from this release (Cengiz) - Fix of deeper level bfqq overwrite in BFQ (Carlo)" * tag 'block-5.6-2020-03-07' of git://git.kernel.dk/linux-block: block, bfq: fix overwrite of bfq_group pointer in bfq_find_set_group() blktrace: fix dereference after null check Revert "bcache: ignore pending signals when creating gc and allocator thread" block: Remove used kblockd_schedule_work_on()
2020-03-07Merge tag 'media/v5.6-2' of ↵Linus Torvalds5-36/+22
git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media Pull media fixes from Mauro Carvalho Chehab: - a fix for the media controller links in both hantro driver and in v4l2-mem2mem core - some fixes for the pulse8-cec driver - vicodec: handle alpha channel for RGB32 formats, as it may be used - mc-entity.c: fix handling of pad flags * tag 'media/v5.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: media: hantro: Fix broken media controller links media: mc-entity.c: use & to check pad flags, not == media: v4l2-mem2mem.c: fix broken links media: vicodec: process all 4 components for RGB32 formats media: pulse8-cec: close serio in disconnect, not adap_free media: pulse8-cec: INIT_DELAYED_WORK was called too late
2020-03-07Merge tag 'for-linus-5.6b-rc5-tag' of ↵Linus Torvalds6-49/+61
git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip Pull xen fixes from Juergen Gross: "Four fixes and a small cleanup patch: - two fixes by Dongli Zhang fixing races in the xenbus driver - two fixes by me fixing issues introduced in 5.6 - a small cleanup by Gustavo Silva replacing a zero-length array with a flexible-array" * tag 'for-linus-5.6b-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen/blkfront: fix ring info addressing xen/xenbus: fix locking xenbus: req->err should be updated before req->state xenbus: req->body should be updated before req->state xen: Replace zero-length array with flexible-array member
2020-03-06Merge tag 'devicetree-fixes-for-5.6-3' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux Pull devicetree fixes from Rob Herring: "Another batch of DT fixes. I think this should be the last of it, but sending pull requests seems to cause people to send more fixes. Summary: - Fixes for warnings introduced by hierarchical PSCI binding changes - Fixes for broken doc references due to DT schema conversions - Several grammar and typo fixes - Fix a bunch of dtc warnings in examples" * tag 'devicetree-fixes-for-5.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: dt-bindings: arm: Fixup the DT bindings for hierarchical PSCI states dt-bindings: power: Extend nodename pattern for power-domain providers MAINTAINERS: update ALLWINNER CPUFREQ DRIVER entry dt-bindings: bus: Drop empty compatible string in example dt-bindings: power: Convert domain-idle-states bindings to json-schema dt-bindings: arm: Fix cpu compatibles in the hierarchical example for PSCI dt-bindings: arm: Correct links to idle states definitions dt-bindings: mfd: Fix typo in file name of twl-familly.txt dt-bindings: mfd: tps65910: Improve grammar dt-bindings: mfd: zii,rave-sp: Fix a typo ("onborad") dt-bindings: arm: fsl: fix APF6Dev compatible dt-bindings: Fix dtc warnings in examples docs: dt: fix several broken doc references docs: dt: fix several broken references due to renames MAINTAINERS: clean up PCIE DRIVER FOR CAVIUM THUNDERX
2020-03-06Merge tag 'drm-fixes-2020-03-06-1' of git://anongit.freedesktop.org/drm/drmLinus Torvalds1-0/+3
Pull vgacon fix from Daniel Vetter: "One vgacon input check for stable" * tag 'drm-fixes-2020-03-06-1' of git://anongit.freedesktop.org/drm/drm: vgacon: Fix a UAF in vgacon_invert_region
2020-03-06Merge tag 'spi-fix-v5.6-rc4' of ↵Linus Torvalds8-64/+125
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi Pull spi fixes from Mark Brown: "A selection of small fixes, mostly for drivers, that have arrived since the merge window. None of them are earth shattering in themselves but all useful for affected systems" * tag 'spi-fix-v5.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: spi: spi_register_controller(): free bus id on error paths spi: bcm63xx-hsspi: Really keep pll clk enabled spi: atmel-quadspi: fix possible MMIO window size overrun spi/zynqmp: remove entry that causes a cs glitch spi: pxa2xx: Add CS control clock quirk spi: spidev: Fix CS polarity if GPIO descriptors are used spi: qup: call spi_qup_pm_resume_runtime before suspending spi: spi-omap2-mcspi: Support probe deferral for DMA channels spi: spi-omap2-mcspi: Handle DMA size restriction on AM65x
2020-03-06Merge tag 'regulator-fix-v5.6-rc4' of ↵Linus Torvalds1-1/+2
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator Pull regulator fixes from Mark Brown: "A couple of small fixes, one for a minor issue in the stm32-vrefbuf driver and a documentation fix in the Qualcomm code" * tag 'regulator-fix-v5.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: regulator: stm32-vrefbuf: fix a possible overshoot when re-enabling regulator: qcom_spmi: Fix docs for PM8004
2020-03-06Merge tag 'hwmon-for-v5.6-rc5' of ↵Linus Torvalds2-1/+55
git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging Pull hwmon fixes from Guenter Roeck: "Fix an error return in the adt7462 driver, bad voltage limits reported by the xdpe12284 driver, and a broken documentation reference in the adm1177 driver documentation" * tag 'hwmon-for-v5.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: hwmon: (adt7462) Fix an error return in ADT7462_REG_VOLT() hwmon: (pmbus/xdpe12284) Add callback for vout limits conversion docs: adm1177: fix a broken reference
2020-03-06Merge tag 'arm64-fixes' of ↵Linus Torvalds2-9/+8
git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 fixes from Will Deacon: "Here are another three arm64 fixes for 5.6, all pretty minor. Main thing is fixing a silly bug in the fsl_imx8_ddr PMU driver where we would zero the counters when disabling them. - Fix misreporting of ASID limit when KPTI is enabled - Fix busted NULL pointer checks for GICC structure in ACPI PMU code - Avoid nobbling the "fsl_imx8_ddr" PMU counters when disabling them" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: context: Fix ASID limit in boot messages drivers/perf: arm_pmu_acpi: Fix incorrect checking of gicc pointer drivers/perf: fsl_imx8_ddr: Correct the CLEAR bit definition
2020-03-06vgacon: Fix a UAF in vgacon_invert_regionZhang Xiaoxu1-0/+3
When syzkaller tests, there is a UAF: BUG: KASan: use after free in vgacon_invert_region+0x9d/0x110 at addr ffff880000100000 Read of size 2 by task syz-executor.1/16489 page:ffffea0000004000 count:0 mapcount:-127 mapping: (null) index:0x0 page flags: 0xfffff00000000() page dumped because: kasan: bad access detected CPU: 1 PID: 16489 Comm: syz-executor.1 Not tainted Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.9.3-0-ge2fc41e-prebuilt.qemu-project.org 04/01/2014 Call Trace: [<ffffffffb119f309>] dump_stack+0x1e/0x20 [<ffffffffb04af957>] kasan_report+0x577/0x950 [<ffffffffb04ae652>] __asan_load2+0x62/0x80 [<ffffffffb090f26d>] vgacon_invert_region+0x9d/0x110 [<ffffffffb0a39d95>] invert_screen+0xe5/0x470 [<ffffffffb0a21dcb>] set_selection+0x44b/0x12f0 [<ffffffffb0a3bfae>] tioclinux+0xee/0x490 [<ffffffffb0a1d114>] vt_ioctl+0xff4/0x2670 [<ffffffffb0a0089a>] tty_ioctl+0x46a/0x1a10 [<ffffffffb052db3d>] do_vfs_ioctl+0x5bd/0xc40 [<ffffffffb052e2f2>] SyS_ioctl+0x132/0x170 [<ffffffffb11c9b1b>] system_call_fastpath+0x22/0x27 Memory state around the buggy address: ffff8800000fff00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff8800000fff80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff880000100000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff It can be reproduce in the linux mainline by the program: #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <fcntl.h> #include <sys/types.h> #include <sys/stat.h> #include <sys/ioctl.h> #include <linux/vt.h> struct tiocl_selection { unsigned short xs; /* X start */ unsigned short ys; /* Y start */ unsigned short xe; /* X end */ unsigned short ye; /* Y end */ unsigned short sel_mode; /* selection mode */ }; #define TIOCL_SETSEL 2 struct tiocl { unsigned char type; unsigned char pad; struct tiocl_selection sel; }; int main() { int fd = 0; const char *dev = "/dev/char/4:1"; struct vt_consize v = {0}; struct tiocl tioc = {0}; fd = open(dev, O_RDWR, 0); v.v_rows = 3346; ioctl(fd, VT_RESIZEX, &v); tioc.type = TIOCL_SETSEL; ioctl(fd, TIOCLINUX, &tioc); return 0; } When resize the screen, update the 'vc->vc_size_row' to the new_row_size, but when 'set_origin' in 'vgacon_set_origin', vgacon use 'vga_vram_base' for 'vc_origin' and 'vc_visible_origin', not 'vc_screenbuf'. It maybe smaller than 'vc_screenbuf'. When TIOCLINUX, use the new_row_size to calc the offset, it maybe larger than the vga_vram_size in vgacon driver, then bad access. Also, if set an larger screenbuf firstly, then set an more larger screenbuf, when copy old_origin to new_origin, a bad access may happen. So, If the screen size larger than vga_vram, resize screen should be failed. This alse fix CVE-2020-8649 and CVE-2020-8647. Linus pointed out that overflow checking seems absent. We're saved by the existing bounds checks in vc_do_resize() with rather strict limits: if (cols > VC_RESIZE_MAXCOL || lines > VC_RESIZE_MAXROW) return -EINVAL; Fixes: 0aec4867dca14 ("[PATCH] SVGATextMode fix") Reference: CVE-2020-8647 and CVE-2020-8649 Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Zhang Xiaoxu <zhangxiaoxu5@huawei.com> [danvet: augment commit message to point out overflow safety] Cc: stable@vger.kernel.org Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20200304022429.37738-1-zhangxiaoxu5@huawei.com
2020-03-06tty: serial: fsl_lpuart: free IDs allocated by IDAMichael Walle1-15/+24
Since commit 3bc3206e1c0f ("serial: fsl_lpuart: Remove the alias node dependence") the port line number can also be allocated by IDA, but in case of an error the ID will no be removed again. More importantly, any ID will be freed in remove(), even if it wasn't allocated but instead fetched by of_alias_get_id(). If it was not allocated by IDA there will be a warning: WARN(1, "ida_free called for id=%d which is not allocated.\n", id); Move the ID allocation more to the end of the probe() so that we still can use plain return in the first error cases. Fixes: 3bc3206e1c0f ("serial: fsl_lpuart: Remove the alias node dependence") Signed-off-by: Michael Walle <michael@walle.cc> Cc: stable <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20200303174306.6015-3-michael@walle.cc Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-06Revert "tty: serial: fsl_lpuart: drop EARLYCON_DECLARE"Michael Walle1-0/+2
This reverts commit a659652f6169240a5818cb244b280c5a362ef5a4. This broke the earlycon on LS1021A processors because the order of the earlycon_setup() functions were changed. Before the commit the normal lpuart32_early_console_setup() was called. After the commit the lpuart32_imx_early_console_setup() is called instead. Fixes: a659652f6169 ("tty: serial: fsl_lpuart: drop EARLYCON_DECLARE") Signed-off-by: Michael Walle <michael@walle.cc> Link: https://lore.kernel.org/r/20200303174306.6015-2-michael@walle.cc Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-06serdev: Fix detection of UART devices on Apple machines.Ronald Tschalär1-0/+10
On Apple devices the _CRS method returns an empty resource template, and the resource settings are instead provided by the _DSM method. But commit 33364d63c75d6182fa369cea80315cf1bb0ee38e (serdev: Add ACPI devices by ResourceSource field) changed the search for serdev devices to require valid, non-empty resource template, thereby breaking Apple devices and causing bluetooth devices to not be found. This expands the check so that if we don't find a valid template, and we're on an Apple machine, then just check for the device being an immediate child of the controller and having a "baud" property. Cc: <stable@vger.kernel.org> # 5.5 Fixes: 33364d63c75d ("serdev: Add ACPI devices by ResourceSource field") Signed-off-by: Ronald Tschalär <ronald@innovation.ch> Link: https://lore.kernel.org/r/20200211194723.486217-1-ronald@innovation.ch Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-06Merge tag 'devprop-5.6-rc5' of ↵Linus Torvalds1-7/+7
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull device properties framework fix from Rafael Wysocki: "Revert a problematic commit from the 5.3 development cycle (Brendan Higgins)" * tag 'devprop-5.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: Revert "software node: Simplify software_node_release() function"
2020-03-06Merge tag 'drm-fixes-2020-03-06' of git://anongit.freedesktop.org/drm/drmLinus Torvalds37-212/+515
Pull drm fixes from Dave Airlie: "Weekly fixes round, looks like a few people woke up, got a bunch of fixes across the drivers. Bit bigger than I'd like but they all seem fine and hopefully it quiets down now. sun4i, kirin, mediatek and exynos on the ARM side. virtio-gpu and core have some mmap fixes, and there is a dma-buf leak. one ttm fence leak is also fixed. Otherwise it's mostly amdgpu and i915. One of the i915 fixes is for a very long latency I was seeing (using latencytop) running gnome-shell locally when using firefox and eating nearly all my RAM, it really helps with desktop responsiveness esp when firefox is chewing a lot. dma-buf: - fix memory leak core: - shmem object mmap fix. ttm: - Fix fence leak in ttm_buffer_object_transfer(). amdgpu: - Gfx reset fix for gfx9, 10 - Fix for gfx10 - DP MST fix - DCC fix - Renoir power fixes - Navi power fix i915: - Break up long lists of object reclaim with cond_resched() - PSR probe fix - TGL workarounds - Selftest return value fix - Drop timeline mutex while waiting for retirement - Wait for OA configuration completion before writes to OA buffer virtio: - Fix resource id creation race in virtio. - mmap fixes sun4i: - Fixes for sun4i VI layer format support. kirin: - kirin: Revert "Fix for hikey620 display offset problem" exynos: - fix a kernel oops problem in case that driver is loaded as module. - fix a regulator warning issue when I2C DDC adapter cannot be gathered. - print out an error message only in error case excepting -EPROBE_DEFER. mediatek: - overlay, cursor and gce fixes" ` * tag 'drm-fixes-2020-03-06' of git://anongit.freedesktop.org/drm/drm: (38 commits) drm/amdgpu/display: navi1x copy dcn watermark clock settings to smu resume from s3 (v2) drm/amd/powerplay: map mclk to fclk for COMBINATIONAL_BYPASS case drm/amd/powerplay: fix pre-check condition for setting clock range drm/amd/display: fix dcc swath size calculations on dcn1 drm/amd/display: Clear link settings on MST disable connector drm/amdgpu: disable 3D pipe 1 on Navi1x drm/amdgpu: clean wptr on wb when gpu recovery drm: kirin: Revert "Fix for hikey620 display offset problem" drm/i915/gt: Drop the timeline->mutex as we wait for retirement drm/i915/perf: Reintroduce wait on OA configuration completion drm/sun4i: Fix DE2 VI layer format support drm/sun4i: Add separate DE3 VI layer formats drm/sun4i: de2/de3: Remove unsupported VI layer formats drm/i915/selftests: Fix return in assert_mmap_offset() drm/i915: Protect i915_request_await_start from early waits drm/i915/tgl: Add Wa_1608008084 drm/i915/tgl: Add Wa_22010178259:tgl drm/i915: Program MBUS with rmw during initialization drm/i915/psr: Force PSR probe only after full initialization drm/i915/gem: Break up long lists of object reclaim ...
2020-03-06Merge tag 'amd-drm-fixes-5.6-2020-03-05' of ↵Dave Airlie8-55/+129
git://people.freedesktop.org/~agd5f/linux into drm-fixes amd-drm-fixes-5.6-2020-03-05: amdgpu: - Gfx reset fix for gfx9, 10 - Fix for gfx10 - DP MST fix - DCC fix - Renoir power fixes - Navi power fix Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexdeucher@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200305185957.4268-1-alexander.deucher@amd.com
2020-03-06Merge tag 'drm-intel-fixes-2020-03-05' of ↵Dave Airlie13-57/+142
git://anongit.freedesktop.org/drm/drm-intel into drm-fixes drm/i915 fixes for v5.6-rc5: - Break up long lists of object reclaim with cond_resched() - PSR probe fix - TGL workarounds - Selftest return value fix - Drop timeline mutex while waiting for retirement - Wait for OA configuration completion before writes to OA buffer Signed-off-by: Dave Airlie <airlied@redhat.com> From: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/87eeu7nl6z.fsf@intel.com
2020-03-06Merge tag 'drm-misc-fixes-2020-03-05' of ↵Dave Airlie11-75/+197
git://anongit.freedesktop.org/drm/drm-misc into drm-fixes Fixes for v5.6.rc5: - dma-buf fix memory leak - Fix resource id creation race in virtio. - Various mmap fixes. - Fix fence leak in ttm_buffer_object_transfer(). - Fixes for sun4i VI layer format support. - kirin: Revert "Fix for hikey620 display offset problem" Signed-off-by: Dave Airlie <airlied@redhat.com> From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/56de63c7-0cdf-5805-e268-44944af7fef2@linux.intel.com
2020-03-05serial: 8250_exar: add support for ACCES cardsJay Dolan1-0/+33
Add ACCES VIDs and PIDs that use the Exar chips Signed-off-by: Jay Dolan <jay.dolan@accesio.com> Cc: stable <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20200305140504.22237-1-jay.dolan@accesio.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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