From 069b188f43d9a44422eb35a8f95533d2c44ad315 Mon Sep 17 00:00:00 2001 From: Chris Metcalf Date: Thu, 28 Jul 2016 15:07:04 -0400 Subject: tile-srom: avoid krealloc(... __GFP_ZERO) pattern Joe Perches points out [1] that this pattern isn't currently safe. This driver doesn't really need the zeroing semantic anyway; by restructuring the code slightly we can initialize all the fields of the structure up front instead. [1] https://lkml.kernel.org/r/1469729491.3998.58.camel@perches.com Signed-off-by: Chris Metcalf Signed-off-by: Greg Kroah-Hartman --- drivers/char/tile-srom.c | 28 +++++++++++++++------------- 1 file changed, 15 insertions(+), 13 deletions(-) (limited to 'drivers/char') diff --git a/drivers/char/tile-srom.c b/drivers/char/tile-srom.c index 69f6b4acc377..398800edb2cc 100644 --- a/drivers/char/tile-srom.c +++ b/drivers/char/tile-srom.c @@ -331,13 +331,11 @@ static const struct file_operations srom_fops = { /** * srom_setup_minor() - Initialize per-minor information. * @srom: Per-device SROM state. - * @index: Device to set up. + * @devhdl: Partition device handle. */ -static int srom_setup_minor(struct srom_dev *srom, int index) +static int srom_setup_minor(struct srom_dev *srom, int devhdl) { - struct device *dev; - int devhdl = srom->hv_devhdl; - + srom->hv_devhdl = devhdl; mutex_init(&srom->lock); if (_srom_read(devhdl, &srom->total_size, @@ -350,9 +348,7 @@ static int srom_setup_minor(struct srom_dev *srom, int index) SROM_PAGE_SIZE_OFF, sizeof(srom->page_size)) < 0) return -EIO; - dev = device_create(srom_class, &srom_parent->dev, - MKDEV(srom_major, index), srom, "%d", index); - return PTR_ERR_OR_ZERO(dev); + return 0; } /** srom_init() - Initialize the driver's module. */ @@ -365,7 +361,7 @@ static int srom_init(void) * Start with a plausible number of partitions; the krealloc() call * below will yield about log(srom_devs) additional allocations. */ - srom_devices = kzalloc(4 * sizeof(struct srom_dev), GFP_KERNEL); + srom_devices = kmalloc(4 * sizeof(struct srom_dev), GFP_KERNEL); /* Discover the number of srom partitions. */ for (i = 0; ; i++) { @@ -373,7 +369,7 @@ static int srom_init(void) char buf[20]; struct srom_dev *new_srom_devices = krealloc(srom_devices, (i+1) * sizeof(struct srom_dev), - GFP_KERNEL | __GFP_ZERO); + GFP_KERNEL); if (!new_srom_devices) { result = -ENOMEM; goto fail_mem; @@ -387,7 +383,9 @@ static int srom_init(void) i, devhdl); break; } - srom_devices[i].hv_devhdl = devhdl; + result = srom_setup_minor(&srom_devices[i], devhdl); + if (result != 0) + goto fail_mem; } srom_devs = i; @@ -431,9 +429,13 @@ static int srom_init(void) srom_class->dev_groups = srom_dev_groups; srom_class->devnode = srom_devnode; - /* Do per-partition initialization */ + /* Create per-partition devices */ for (i = 0; i < srom_devs; i++) { - result = srom_setup_minor(srom_devices + i, i); + struct device *dev = + device_create(srom_class, &srom_parent->dev, + MKDEV(srom_major, i), srom_devices + i, + "%d", i); + result = PTR_ERR_OR_ZERO(dev); if (result < 0) goto fail_class; } -- cgit v1.2.3 From d6a38c0ba778abd6683858bfd7c768f7edab2ebb Mon Sep 17 00:00:00 2001 From: PrasannaKumar Muralidharan Date: Thu, 25 Aug 2016 22:30:50 +0530 Subject: miscdevice: Use module_misc_device() macro This patch removes module_init()/module_exit() from driver code by using module_misc_device() macro. All modules in this patch has a print statement which is removed when module_misc_device() macro is used. If undesirable this patch can be dropped entirely, this is the only purpose of making this as a separate patch. Signed-off-by: PrasannaKumar Muralidharan Signed-off-by: Greg Kroah-Hartman --- arch/um/drivers/harddog_kern.c | 25 +------------------------ drivers/bluetooth/hci_vhci.c | 16 +--------------- drivers/char/bfin-otp.c | 40 +--------------------------------------- drivers/lightnvm/core.c | 19 +------------------ 4 files changed, 4 insertions(+), 96 deletions(-) (limited to 'drivers/char') diff --git a/arch/um/drivers/harddog_kern.c b/arch/um/drivers/harddog_kern.c index 2d0266d0254d..3282787bbcfb 100644 --- a/arch/um/drivers/harddog_kern.c +++ b/arch/um/drivers/harddog_kern.c @@ -175,27 +175,4 @@ static struct miscdevice harddog_miscdev = { .name = "watchdog", .fops = &harddog_fops, }; - -static char banner[] __initdata = KERN_INFO "UML Watchdog Timer\n"; - -static int __init harddog_init(void) -{ - int ret; - - ret = misc_register(&harddog_miscdev); - - if (ret) - return ret; - - printk(banner); - - return 0; -} - -static void __exit harddog_exit(void) -{ - misc_deregister(&harddog_miscdev); -} - -module_init(harddog_init); -module_exit(harddog_exit); +module_misc_device(harddog_miscdev); diff --git a/drivers/bluetooth/hci_vhci.c b/drivers/bluetooth/hci_vhci.c index 3ff229b2e7f3..c4a75a18dcae 100644 --- a/drivers/bluetooth/hci_vhci.c +++ b/drivers/bluetooth/hci_vhci.c @@ -377,21 +377,7 @@ static struct miscdevice vhci_miscdev = { .fops = &vhci_fops, .minor = VHCI_MINOR, }; - -static int __init vhci_init(void) -{ - BT_INFO("Virtual HCI driver ver %s", VERSION); - - return misc_register(&vhci_miscdev); -} - -static void __exit vhci_exit(void) -{ - misc_deregister(&vhci_miscdev); -} - -module_init(vhci_init); -module_exit(vhci_exit); +module_misc_device(vhci_miscdev); module_param(amp, bool, 0644); MODULE_PARM_DESC(amp, "Create AMP controller device"); diff --git a/drivers/char/bfin-otp.c b/drivers/char/bfin-otp.c index 44660f1c4849..35d46da754d7 100644 --- a/drivers/char/bfin-otp.c +++ b/drivers/char/bfin-otp.c @@ -230,45 +230,7 @@ static struct miscdevice bfin_otp_misc_device = { .name = DRIVER_NAME, .fops = &bfin_otp_fops, }; - -/** - * bfin_otp_init - Initialize module - * - * Registers the device and notifier handler. Actual device - * initialization is handled by bfin_otp_open(). - */ -static int __init bfin_otp_init(void) -{ - int ret; - - stampit(); - - ret = misc_register(&bfin_otp_misc_device); - if (ret) { - pr_init(KERN_ERR PFX "unable to register a misc device\n"); - return ret; - } - - pr_init(KERN_INFO PFX "initialized\n"); - - return 0; -} - -/** - * bfin_otp_exit - Deinitialize module - * - * Unregisters the device and notifier handler. Actual device - * deinitialization is handled by bfin_otp_close(). - */ -static void __exit bfin_otp_exit(void) -{ - stampit(); - - misc_deregister(&bfin_otp_misc_device); -} - -module_init(bfin_otp_init); -module_exit(bfin_otp_exit); +module_misc_device(bfin_otp_misc_device); MODULE_AUTHOR("Mike Frysinger "); MODULE_DESCRIPTION("Blackfin OTP Memory Interface"); diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c index 9ebd2cfbd849..c784ddcd4405 100644 --- a/drivers/lightnvm/core.c +++ b/drivers/lightnvm/core.c @@ -1171,27 +1171,10 @@ static struct miscdevice _nvm_misc = { .nodename = "lightnvm/control", .fops = &_ctl_fops, }; +module_misc_device(_nvm_misc); MODULE_ALIAS_MISCDEV(MISC_DYNAMIC_MINOR); -static int __init nvm_mod_init(void) -{ - int ret; - - ret = misc_register(&_nvm_misc); - if (ret) - pr_err("nvm: misc_register failed for control device"); - - return ret; -} - -static void __exit nvm_mod_exit(void) -{ - misc_deregister(&_nvm_misc); -} - MODULE_AUTHOR("Matias Bjorling "); MODULE_LICENSE("GPL v2"); MODULE_VERSION("0.1"); -module_init(nvm_mod_init); -module_exit(nvm_mod_exit); -- cgit v1.2.3 From 8b7d3a9d903ee1d1f5febc8e74223e4e72720e35 Mon Sep 17 00:00:00 2001 From: Sudip Mukherjee Date: Wed, 1 Jun 2016 17:50:08 +0530 Subject: ppdev: use new parport device model Modify ppdev driver to use the new parallel port device model. Initially submitted and committed as: e7223f186033 ("ppdev: use new parport device model") But due to some regression it was reverted by: 1701f680407c ("Revert "ppdev: use new parport device model"") Now that the original source of regression is fixed by: bbca503b2ee0 ("parport: use subsys_initcall") we can again modify ppdev to use device model. Signed-off-by: Sudip Mukherjee Signed-off-by: Greg Kroah-Hartman --- drivers/char/ppdev.c | 25 ++++++++++++++++++++----- 1 file changed, 20 insertions(+), 5 deletions(-) (limited to 'drivers/char') diff --git a/drivers/char/ppdev.c b/drivers/char/ppdev.c index f8a483c67b07..d23368874710 100644 --- a/drivers/char/ppdev.c +++ b/drivers/char/ppdev.c @@ -286,7 +286,7 @@ static int register_device(int minor, struct pp_struct *pp) struct parport *port; struct pardevice *pdev = NULL; char *name; - int fl; + struct pardev_cb ppdev_cb; name = kasprintf(GFP_KERNEL, CHRDEV "%x", minor); if (name == NULL) @@ -299,9 +299,11 @@ static int register_device(int minor, struct pp_struct *pp) return -ENXIO; } - fl = (pp->flags & PP_EXCL) ? PARPORT_FLAG_EXCL : 0; - pdev = parport_register_device(port, name, NULL, - NULL, pp_irq, fl, pp); + memset(&ppdev_cb, 0, sizeof(ppdev_cb)); + ppdev_cb.irq_func = pp_irq; + ppdev_cb.flags = (pp->flags & PP_EXCL) ? PARPORT_FLAG_EXCL : 0; + ppdev_cb.private = pp; + pdev = parport_register_dev_model(port, name, &ppdev_cb, minor); parport_put_port(port); if (!pdev) { @@ -799,10 +801,23 @@ static void pp_detach(struct parport *port) device_destroy(ppdev_class, MKDEV(PP_MAJOR, port->number)); } +static int pp_probe(struct pardevice *par_dev) +{ + struct device_driver *drv = par_dev->dev.driver; + int len = strlen(drv->name); + + if (strncmp(par_dev->name, drv->name, len)) + return -ENODEV; + + return 0; +} + static struct parport_driver pp_driver = { .name = CHRDEV, - .attach = pp_attach, + .probe = pp_probe, + .match_port = pp_attach, .detach = pp_detach, + .devmodel = true, }; static int __init ppdev_init(void) -- cgit v1.2.3 From 26ec99b105d5d1465fffed563cfe1a90a7b150fd Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Mon, 27 Jun 2016 12:04:18 +0200 Subject: char/mwave: remove custom BOOLEAN type The mwave driver has its own macros for the BOOLEAN type and the TRUE/FALSE values. This is redundant because the kernel already has bool/true/false, and it clashes with the ACPI headers that also define these types. The linux/acpi.h header is now included implicitly from mwave through the mc146818rtc.h header, as reported by Stephen Rothwell: In file included from drivers/char/mwave/smapi.c:51:0: drivers/char/mwave/smapi.h:52:0: warning: "TRUE" redefined #define TRUE 1 ^ In file included from include/acpi/acpi.h:58:0, from include/linux/acpi.h:33, from include/linux/mc146818rtc.h:21, from drivers/char/mwave/smapi.c:50: include/acpi/actypes.h:438:0: note: this is the location of the previous definition #define TRUE (1 == 1) ^ This removes the private types from mwave and uses the standard types instead. Signed-off-by: Arnd Bergmann Reviewed-by: Alexandre Belloni Fixes: fd09cc80165c ("rtc: cmos: move mc146818rtc code out of asm-generic/rtc.h") Signed-off-by: Greg Kroah-Hartman --- drivers/char/mwave/3780i.c | 64 ++++++++++++++++++++++---------------------- drivers/char/mwave/3780i.h | 8 +++--- drivers/char/mwave/mwavedd.c | 42 ++++++++++++++--------------- drivers/char/mwave/mwavedd.h | 14 +++++----- drivers/char/mwave/smapi.c | 4 +-- drivers/char/mwave/smapi.h | 6 +---- drivers/char/mwave/tp3780i.c | 52 +++++++++++++++++------------------ 7 files changed, 93 insertions(+), 97 deletions(-) (limited to 'drivers/char') diff --git a/drivers/char/mwave/3780i.c b/drivers/char/mwave/3780i.c index 28740046bc83..972c40a19629 100644 --- a/drivers/char/mwave/3780i.c +++ b/drivers/char/mwave/3780i.c @@ -124,7 +124,7 @@ static void dsp3780I_WriteGenCfg(unsigned short usDspBaseIO, unsigned uIndex, MKBYTE(rSlaveControl)); rSlaveControl_Save = rSlaveControl; - rSlaveControl.ConfigMode = TRUE; + rSlaveControl.ConfigMode = true; PRINTK_2(TRACE_3780I, "3780i::dsp3780i_WriteGenCfg entry rSlaveControl+ConfigMode %x\n", @@ -155,7 +155,7 @@ unsigned char dsp3780I_ReadGenCfg(unsigned short usDspBaseIO, MKBYTE(rSlaveControl) = InByteDsp(DSP_IsaSlaveControl); rSlaveControl_Save = rSlaveControl; - rSlaveControl.ConfigMode = TRUE; + rSlaveControl.ConfigMode = true; OutByteDsp(DSP_IsaSlaveControl, MKBYTE(rSlaveControl)); OutByteDsp(DSP_ConfigAddress, (unsigned char) uIndex); ucValue = InByteDsp(DSP_ConfigData); @@ -230,7 +230,7 @@ int dsp3780I_EnableDSP(DSP_3780I_CONFIG_SETTINGS * pSettings, rUartCfg1.BaseIO = 3; break; } - rUartCfg2.Enable = TRUE; + rUartCfg2.Enable = true; } rHBridgeCfg1.Reserved = rHBridgeCfg2.Reserved = 0; @@ -238,7 +238,7 @@ int dsp3780I_EnableDSP(DSP_3780I_CONFIG_SETTINGS * pSettings, rHBridgeCfg1.IrqPulse = pSettings->bDspIrqPulse; rHBridgeCfg1.Irq = (unsigned char) pIrqMap[pSettings->usDspIrq]; rHBridgeCfg1.AccessMode = 1; - rHBridgeCfg2.Enable = TRUE; + rHBridgeCfg2.Enable = true; rBusmasterCfg2.Reserved = 0; @@ -278,8 +278,8 @@ int dsp3780I_EnableDSP(DSP_3780I_CONFIG_SETTINGS * pSettings, * soft-reset active for 10ms. */ rSlaveControl.ClockControl = 0; - rSlaveControl.SoftReset = TRUE; - rSlaveControl.ConfigMode = FALSE; + rSlaveControl.SoftReset = true; + rSlaveControl.ConfigMode = false; rSlaveControl.Reserved = 0; PRINTK_4(TRACE_3780I, @@ -302,7 +302,7 @@ int dsp3780I_EnableDSP(DSP_3780I_CONFIG_SETTINGS * pSettings, for (i = 0; i < 11; i++) udelay(2000); - rSlaveControl.SoftReset = FALSE; + rSlaveControl.SoftReset = false; OutWordDsp(DSP_IsaSlaveControl, MKWORD(rSlaveControl)); MKWORD(tval) = InWordDsp(DSP_IsaSlaveControl); @@ -326,10 +326,10 @@ int dsp3780I_EnableDSP(DSP_3780I_CONFIG_SETTINGS * pSettings, } - rHBridgeControl.EnableDspInt = FALSE; - rHBridgeControl.MemAutoInc = TRUE; - rHBridgeControl.IoAutoInc = FALSE; - rHBridgeControl.DiagnosticMode = FALSE; + rHBridgeControl.EnableDspInt = false; + rHBridgeControl.MemAutoInc = true; + rHBridgeControl.IoAutoInc = false; + rHBridgeControl.DiagnosticMode = false; PRINTK_3(TRACE_3780I, "3780i::dsp3780i_EnableDSP DSP_HBridgeControl %x rHBridgeControl %x\n", @@ -345,7 +345,7 @@ int dsp3780I_EnableDSP(DSP_3780I_CONFIG_SETTINGS * pSettings, ChipID = ReadMsaCfg(DSP_ChipID); PRINTK_2(TRACE_3780I, - "3780i::dsp3780I_EnableDSP exiting bRC=TRUE, ChipID %x\n", + "3780i::dsp3780I_EnableDSP exiting bRC=true, ChipID %x\n", ChipID); return 0; @@ -361,8 +361,8 @@ int dsp3780I_DisableDSP(DSP_3780I_CONFIG_SETTINGS * pSettings) PRINTK_1(TRACE_3780I, "3780i::dsp3780i_DisableDSP entry\n"); rSlaveControl.ClockControl = 0; - rSlaveControl.SoftReset = TRUE; - rSlaveControl.ConfigMode = FALSE; + rSlaveControl.SoftReset = true; + rSlaveControl.ConfigMode = false; rSlaveControl.Reserved = 0; spin_lock_irqsave(&dsp_lock, flags); OutWordDsp(DSP_IsaSlaveControl, MKWORD(rSlaveControl)); @@ -398,14 +398,14 @@ int dsp3780I_Reset(DSP_3780I_CONFIG_SETTINGS * pSettings) PRINTK_2(TRACE_3780I, "3780i::dsp3780i_Reset rHBridgeControl %x\n", MKWORD(rHBridgeControl)); - rHBridgeControl.EnableDspInt = FALSE; + rHBridgeControl.EnableDspInt = false; OutWordDsp(DSP_HBridgeControl, MKWORD(rHBridgeControl)); spin_unlock_irqrestore(&dsp_lock, flags); /* Reset the core via the boot domain register */ - rBootDomain.ResetCore = TRUE; - rBootDomain.Halt = TRUE; - rBootDomain.NMI = TRUE; + rBootDomain.ResetCore = true; + rBootDomain.Halt = true; + rBootDomain.NMI = true; rBootDomain.Reserved = 0; PRINTK_2(TRACE_3780I, "3780i::dsp3780i_Reset rBootDomain %x\n", @@ -438,26 +438,26 @@ int dsp3780I_Run(DSP_3780I_CONFIG_SETTINGS * pSettings) /* Transition the core to a running state */ - rBootDomain.ResetCore = TRUE; - rBootDomain.Halt = FALSE; - rBootDomain.NMI = TRUE; + rBootDomain.ResetCore = true; + rBootDomain.Halt = false; + rBootDomain.NMI = true; rBootDomain.Reserved = 0; WriteMsaCfg(DSP_MspBootDomain, MKWORD(rBootDomain)); udelay(5); - rBootDomain.ResetCore = FALSE; + rBootDomain.ResetCore = false; WriteMsaCfg(DSP_MspBootDomain, MKWORD(rBootDomain)); udelay(5); - rBootDomain.NMI = FALSE; + rBootDomain.NMI = false; WriteMsaCfg(DSP_MspBootDomain, MKWORD(rBootDomain)); udelay(5); /* Enable DSP to PC interrupt */ spin_lock_irqsave(&dsp_lock, flags); MKWORD(rHBridgeControl) = InWordDsp(DSP_HBridgeControl); - rHBridgeControl.EnableDspInt = TRUE; + rHBridgeControl.EnableDspInt = true; PRINTK_2(TRACE_3780I, "3780i::dsp3780i_Run rHBridgeControl %x\n", MKWORD(rHBridgeControl)); @@ -466,7 +466,7 @@ int dsp3780I_Run(DSP_3780I_CONFIG_SETTINGS * pSettings) spin_unlock_irqrestore(&dsp_lock, flags); - PRINTK_1(TRACE_3780I, "3780i::dsp3780i_Run exit bRC=TRUE\n"); + PRINTK_1(TRACE_3780I, "3780i::dsp3780i_Run exit bRC=true\n"); return 0; } @@ -508,7 +508,7 @@ int dsp3780I_ReadDStore(unsigned short usDspBaseIO, void __user *pvBuffer, PRINTK_1(TRACE_3780I, - "3780I::dsp3780I_ReadDStore exit bRC=TRUE\n"); + "3780I::dsp3780I_ReadDStore exit bRC=true\n"); return 0; } @@ -550,7 +550,7 @@ int dsp3780I_ReadAndClearDStore(unsigned short usDspBaseIO, PRINTK_1(TRACE_3780I, - "3780I::dsp3780I_ReadAndClearDStore exit bRC=TRUE\n"); + "3780I::dsp3780I_ReadAndClearDStore exit bRC=true\n"); return 0; } @@ -592,7 +592,7 @@ int dsp3780I_WriteDStore(unsigned short usDspBaseIO, void __user *pvBuffer, PRINTK_1(TRACE_3780I, - "3780I::dsp3780D_WriteDStore exit bRC=TRUE\n"); + "3780I::dsp3780D_WriteDStore exit bRC=true\n"); return 0; } @@ -640,7 +640,7 @@ int dsp3780I_ReadIStore(unsigned short usDspBaseIO, void __user *pvBuffer, } PRINTK_1(TRACE_3780I, - "3780I::dsp3780I_ReadIStore exit bRC=TRUE\n"); + "3780I::dsp3780I_ReadIStore exit bRC=true\n"); return 0; } @@ -689,7 +689,7 @@ int dsp3780I_WriteIStore(unsigned short usDspBaseIO, void __user *pvBuffer, } PRINTK_1(TRACE_3780I, - "3780I::dsp3780I_WriteIStore exit bRC=TRUE\n"); + "3780I::dsp3780I_WriteIStore exit bRC=true\n"); return 0; } @@ -713,7 +713,7 @@ int dsp3780I_GetIPCSource(unsigned short usDspBaseIO, */ spin_lock_irqsave(&dsp_lock, flags); MKWORD(rHBridgeControl) = InWordDsp(DSP_HBridgeControl); - rHBridgeControl.EnableDspInt = FALSE; + rHBridgeControl.EnableDspInt = false; OutWordDsp(DSP_HBridgeControl, MKWORD(rHBridgeControl)); *pusIPCSource = InWordDsp(DSP_Interrupt); @@ -725,7 +725,7 @@ int dsp3780I_GetIPCSource(unsigned short usDspBaseIO, OutWordDsp(DSP_Interrupt, (unsigned short) ~(*pusIPCSource)); - rHBridgeControl.EnableDspInt = TRUE; + rHBridgeControl.EnableDspInt = true; OutWordDsp(DSP_HBridgeControl, MKWORD(rHBridgeControl)); spin_unlock_irqrestore(&dsp_lock, flags); diff --git a/drivers/char/mwave/3780i.h b/drivers/char/mwave/3780i.h index fba6ab1160ce..9ccb6b270b07 100644 --- a/drivers/char/mwave/3780i.h +++ b/drivers/char/mwave/3780i.h @@ -101,7 +101,7 @@ typedef struct { } DSP_UART_CFG_1; typedef struct { - unsigned char Enable:1; /* RW: Enable I/O and IRQ: 0=FALSE, 1=TRUE */ + unsigned char Enable:1; /* RW: Enable I/O and IRQ: 0=false, 1=true */ unsigned char Reserved:7; /* 0: Reserved */ } DSP_UART_CFG_2; @@ -114,7 +114,7 @@ typedef struct { } DSP_HBRIDGE_CFG_1; typedef struct { - unsigned char Enable:1; /* RW: enable I/O and IRQ: 0=FALSE, 1=TRUE */ + unsigned char Enable:1; /* RW: enable I/O and IRQ: 0=false, 1=true */ unsigned char Reserved:7; /* 0: Reserved */ } DSP_HBRIDGE_CFG_2; @@ -133,12 +133,12 @@ typedef struct { typedef struct { - unsigned char GateIOCHRDY:1; /* RW: Enable IOCHRDY gating: 0=FALSE, 1=TRUE */ + unsigned char GateIOCHRDY:1; /* RW: Enable IOCHRDY gating: 0=false, 1=true */ unsigned char Reserved:7; /* 0: Reserved */ } DSP_ISA_PROT_CFG; typedef struct { - unsigned char Enable:1; /* RW: Enable low power suspend/resume 0=FALSE, 1=TRUE */ + unsigned char Enable:1; /* RW: Enable low power suspend/resume 0=false, 1=true */ unsigned char Reserved:7; /* 0: Reserved */ } DSP_POWER_MGMT_CFG; diff --git a/drivers/char/mwave/mwavedd.c b/drivers/char/mwave/mwavedd.c index 164544afd680..3a3ff2eb6cba 100644 --- a/drivers/char/mwave/mwavedd.c +++ b/drivers/char/mwave/mwavedd.c @@ -296,8 +296,8 @@ static long mwave_ioctl(struct file *file, unsigned int iocmd, pDrvData->IPCs[ipcnum].usIntCount); mutex_lock(&mwave_mutex); - pDrvData->IPCs[ipcnum].bIsHere = FALSE; - pDrvData->IPCs[ipcnum].bIsEnabled = TRUE; + pDrvData->IPCs[ipcnum].bIsHere = false; + pDrvData->IPCs[ipcnum].bIsEnabled = true; mutex_unlock(&mwave_mutex); PRINTK_2(TRACE_MWAVE, @@ -324,7 +324,7 @@ static long mwave_ioctl(struct file *file, unsigned int iocmd, pDrvData->IPCs[ipcnum].usIntCount); mutex_lock(&mwave_mutex); - if (pDrvData->IPCs[ipcnum].bIsEnabled == TRUE) { + if (pDrvData->IPCs[ipcnum].bIsEnabled == true) { DECLARE_WAITQUEUE(wait, current); PRINTK_2(TRACE_MWAVE, @@ -332,7 +332,7 @@ static long mwave_ioctl(struct file *file, unsigned int iocmd, " ipc %x going to sleep\n", ipcnum); add_wait_queue(&pDrvData->IPCs[ipcnum].ipc_wait_queue, &wait); - pDrvData->IPCs[ipcnum].bIsHere = TRUE; + pDrvData->IPCs[ipcnum].bIsHere = true; set_current_state(TASK_INTERRUPTIBLE); /* check whether an event was signalled by */ /* the interrupt handler while we were gone */ @@ -355,7 +355,7 @@ static long mwave_ioctl(struct file *file, unsigned int iocmd, " application\n", ipcnum); } - pDrvData->IPCs[ipcnum].bIsHere = FALSE; + pDrvData->IPCs[ipcnum].bIsHere = false; remove_wait_queue(&pDrvData->IPCs[ipcnum].ipc_wait_queue, &wait); set_current_state(TASK_RUNNING); PRINTK_2(TRACE_MWAVE, @@ -384,9 +384,9 @@ static long mwave_ioctl(struct file *file, unsigned int iocmd, return -EINVAL; } mutex_lock(&mwave_mutex); - if (pDrvData->IPCs[ipcnum].bIsEnabled == TRUE) { - pDrvData->IPCs[ipcnum].bIsEnabled = FALSE; - if (pDrvData->IPCs[ipcnum].bIsHere == TRUE) { + if (pDrvData->IPCs[ipcnum].bIsEnabled == true) { + pDrvData->IPCs[ipcnum].bIsEnabled = false; + if (pDrvData->IPCs[ipcnum].bIsHere == true) { wake_up_interruptible(&pDrvData->IPCs[ipcnum].ipc_wait_queue); } } @@ -541,7 +541,7 @@ static void mwave_exit(void) if (pDrvData->device_registered) { device_unregister(&mwave_device); - pDrvData->device_registered = FALSE; + pDrvData->device_registered = false; } #endif @@ -576,16 +576,16 @@ static int __init mwave_init(void) memset(&mwave_s_mdd, 0, sizeof(MWAVE_DEVICE_DATA)); - pDrvData->bBDInitialized = FALSE; - pDrvData->bResourcesClaimed = FALSE; - pDrvData->bDSPEnabled = FALSE; - pDrvData->bDSPReset = FALSE; - pDrvData->bMwaveDevRegistered = FALSE; + pDrvData->bBDInitialized = false; + pDrvData->bResourcesClaimed = false; + pDrvData->bDSPEnabled = false; + pDrvData->bDSPReset = false; + pDrvData->bMwaveDevRegistered = false; pDrvData->sLine = -1; for (i = 0; i < ARRAY_SIZE(pDrvData->IPCs); i++) { - pDrvData->IPCs[i].bIsEnabled = FALSE; - pDrvData->IPCs[i].bIsHere = FALSE; + pDrvData->IPCs[i].bIsEnabled = false; + pDrvData->IPCs[i].bIsHere = false; pDrvData->IPCs[i].usIntCount = 0; /* no ints received yet */ init_waitqueue_head(&pDrvData->IPCs[i].ipc_wait_queue); } @@ -601,7 +601,7 @@ static int __init mwave_init(void) " Failed to initialize board data\n"); goto cleanup_error; } - pDrvData->bBDInitialized = TRUE; + pDrvData->bBDInitialized = true; retval = tp3780I_CalcResources(&pDrvData->rBDData); PRINTK_2(TRACE_MWAVE, @@ -626,7 +626,7 @@ static int __init mwave_init(void) " Failed to claim resources\n"); goto cleanup_error; } - pDrvData->bResourcesClaimed = TRUE; + pDrvData->bResourcesClaimed = true; retval = tp3780I_EnableDSP(&pDrvData->rBDData); PRINTK_2(TRACE_MWAVE, @@ -639,7 +639,7 @@ static int __init mwave_init(void) " Failed to enable DSP\n"); goto cleanup_error; } - pDrvData->bDSPEnabled = TRUE; + pDrvData->bDSPEnabled = true; if (misc_register(&mwave_misc_dev) < 0) { PRINTK_ERROR(KERN_ERR_MWAVE @@ -647,7 +647,7 @@ static int __init mwave_init(void) " Failed to register misc device\n"); goto cleanup_error; } - pDrvData->bMwaveDevRegistered = TRUE; + pDrvData->bMwaveDevRegistered = true; pDrvData->sLine = register_serial_portandirq( pDrvData->rBDData.rDspSettings.usUartBaseIO, @@ -668,7 +668,7 @@ static int __init mwave_init(void) if (device_register(&mwave_device)) goto cleanup_error; - pDrvData->device_registered = TRUE; + pDrvData->device_registered = true; for (i = 0; i < ARRAY_SIZE(mwave_dev_attrs); i++) { if(device_create_file(&mwave_device, mwave_dev_attrs[i])) { PRINTK_ERROR(KERN_ERR_MWAVE diff --git a/drivers/char/mwave/mwavedd.h b/drivers/char/mwave/mwavedd.h index 7e0d530e2e07..37e0a4926080 100644 --- a/drivers/char/mwave/mwavedd.h +++ b/drivers/char/mwave/mwavedd.h @@ -125,8 +125,8 @@ extern int mwave_uart_io; typedef struct _MWAVE_IPC { unsigned short usIntCount; /* 0=none, 1=first, 2=greater than 1st */ - BOOLEAN bIsEnabled; - BOOLEAN bIsHere; + bool bIsEnabled; + bool bIsHere; /* entry spin lock */ wait_queue_head_t ipc_wait_queue; } MWAVE_IPC; @@ -135,12 +135,12 @@ typedef struct _MWAVE_DEVICE_DATA { THINKPAD_BD_DATA rBDData; /* board driver's data area */ unsigned long ulIPCSource_ISR; /* IPC source bits for recently processed intr, set during ISR processing */ unsigned long ulIPCSource_DPC; /* IPC source bits for recently processed intr, set during DPC processing */ - BOOLEAN bBDInitialized; - BOOLEAN bResourcesClaimed; - BOOLEAN bDSPEnabled; - BOOLEAN bDSPReset; + bool bBDInitialized; + bool bResourcesClaimed; + bool bDSPEnabled; + bool bDSPReset; MWAVE_IPC IPCs[16]; - BOOLEAN bMwaveDevRegistered; + bool bMwaveDevRegistered; short sLine; int nr_registered_attrs; int device_registered; diff --git a/drivers/char/mwave/smapi.c b/drivers/char/mwave/smapi.c index 6187fd14b3fe..8c5411a8f33f 100644 --- a/drivers/char/mwave/smapi.c +++ b/drivers/char/mwave/smapi.c @@ -493,7 +493,7 @@ exit_smapi_request_error: } -int smapi_set_DSP_power_state(BOOLEAN bOn) +int smapi_set_DSP_power_state(bool bOn) { int bRC = -EIO; unsigned short usAX, usBX, usCX, usDX, usDI, usSI; @@ -556,7 +556,7 @@ int smapi_init(void) PRINTK_ERROR("smapi::smapi_init, ERROR unable to read from SMAPI port\n"); } else { PRINTK_2(TRACE_SMAPI, - "smapi::smapi_init, exit TRUE g_usSmapiPort %x\n", + "smapi::smapi_init, exit true g_usSmapiPort %x\n", g_usSmapiPort); retval = 0; //SmapiQuerySystemID(); diff --git a/drivers/char/mwave/smapi.h b/drivers/char/mwave/smapi.h index 64b2ec1420e3..ebc206b000b9 100644 --- a/drivers/char/mwave/smapi.h +++ b/drivers/char/mwave/smapi.h @@ -49,10 +49,6 @@ #ifndef _LINUX_SMAPI_H #define _LINUX_SMAPI_H -#define TRUE 1 -#define FALSE 0 -#define BOOLEAN int - typedef struct { int bDSPPresent; int bDSPEnabled; @@ -74,7 +70,7 @@ typedef struct { int smapi_init(void); int smapi_query_DSP_cfg(SMAPI_DSP_SETTINGS * pSettings); int smapi_set_DSP_cfg(void); -int smapi_set_DSP_power_state(BOOLEAN bOn); +int smapi_set_DSP_power_state(bool bOn); #endif diff --git a/drivers/char/mwave/tp3780i.c b/drivers/char/mwave/tp3780i.c index 04e6d6a27994..5e1618a76b2a 100644 --- a/drivers/char/mwave/tp3780i.c +++ b/drivers/char/mwave/tp3780i.c @@ -80,13 +80,13 @@ static void EnableSRAM(THINKPAD_BD_DATA * pBDData) WriteMsaCfg(DSP_GpioModeControl_15_8, MKWORD(rGpioMode)); MKWORD(rGpioDriverEnable) = 0; - rGpioDriverEnable.Enable10 = TRUE; - rGpioDriverEnable.Mask10 = TRUE; + rGpioDriverEnable.Enable10 = true; + rGpioDriverEnable.Mask10 = true; WriteMsaCfg(DSP_GpioDriverEnable_15_8, MKWORD(rGpioDriverEnable)); MKWORD(rGpioOutputData) = 0; rGpioOutputData.Latch10 = 0; - rGpioOutputData.Mask10 = TRUE; + rGpioOutputData.Mask10 = true; WriteMsaCfg(DSP_GpioOutputData_15_8, MKWORD(rGpioOutputData)); PRINTK_1(TRACE_TP3780I, "tp3780i::EnableSRAM exit\n"); @@ -127,7 +127,7 @@ static irqreturn_t DspInterrupt(int irq, void *dev_id) PRINTK_2(TRACE_TP3780I, "tp3780i::DspInterrupt usIntCount %x\n", pDrvData->IPCs[usPCNum - 1].usIntCount); - if (pDrvData->IPCs[usPCNum - 1].bIsEnabled == TRUE) { + if (pDrvData->IPCs[usPCNum - 1].bIsEnabled == true) { PRINTK_2(TRACE_TP3780I, "tp3780i::DspInterrupt, waking up usPCNum %x\n", usPCNum - 1); @@ -160,8 +160,8 @@ int tp3780I_InitializeBoardData(THINKPAD_BD_DATA * pBDData) PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_InitializeBoardData entry pBDData %p\n", pBDData); - pBDData->bDSPEnabled = FALSE; - pSettings->bInterruptClaimed = FALSE; + pBDData->bDSPEnabled = false; + pSettings->bInterruptClaimed = false; retval = smapi_init(); if (retval) { @@ -269,7 +269,7 @@ int tp3780I_ReleaseResources(THINKPAD_BD_DATA * pBDData) if (pSettings->bInterruptClaimed) { free_irq(pSettings->usDspIrq, NULL); - pSettings->bInterruptClaimed = FALSE; + pSettings->bInterruptClaimed = false; } PRINTK_2(TRACE_TP3780I, @@ -283,7 +283,7 @@ int tp3780I_ReleaseResources(THINKPAD_BD_DATA * pBDData) int tp3780I_EnableDSP(THINKPAD_BD_DATA * pBDData) { DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings; - BOOLEAN bDSPPoweredUp = FALSE, bInterruptAllocated = FALSE; + bool bDSPPoweredUp = false, bInterruptAllocated = false; PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_EnableDSP entry pBDData %p\n", pBDData); @@ -336,14 +336,14 @@ int tp3780I_EnableDSP(THINKPAD_BD_DATA * pBDData) } } - pSettings->bDspIrqActiveLow = pSettings->bDspIrqPulse = TRUE; - pSettings->bUartIrqActiveLow = pSettings->bUartIrqPulse = TRUE; + pSettings->bDspIrqActiveLow = pSettings->bDspIrqPulse = true; + pSettings->bUartIrqActiveLow = pSettings->bUartIrqPulse = true; if (pBDData->bShareDspIrq) { - pSettings->bDspIrqActiveLow = FALSE; + pSettings->bDspIrqActiveLow = false; } if (pBDData->bShareUartIrq) { - pSettings->bUartIrqActiveLow = FALSE; + pSettings->bUartIrqActiveLow = false; } pSettings->usNumTransfers = TP_CFG_NumTransfers; @@ -373,16 +373,16 @@ int tp3780I_EnableDSP(THINKPAD_BD_DATA * pBDData) PRINTK_3(TRACE_TP3780I, "tp3780i::tp3780I_EnableDSP, got interrupt %x bShareDspIrq %x\n", pSettings->usDspIrq, pBDData->bShareDspIrq); - bInterruptAllocated = TRUE; - pSettings->bInterruptClaimed = TRUE; + bInterruptAllocated = true; + pSettings->bInterruptClaimed = true; } - smapi_set_DSP_power_state(FALSE); - if (smapi_set_DSP_power_state(TRUE)) { - PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: smapi_set_DSP_power_state(TRUE) failed\n"); + smapi_set_DSP_power_state(false); + if (smapi_set_DSP_power_state(true)) { + PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_EnableDSP: Error: smapi_set_DSP_power_state(true) failed\n"); goto exit_cleanup; } else { - bDSPPoweredUp = TRUE; + bDSPPoweredUp = true; } if (dsp3780I_EnableDSP(pSettings, s_ausThinkpadIrqToField, s_ausThinkpadDmaToField)) { @@ -392,7 +392,7 @@ int tp3780I_EnableDSP(THINKPAD_BD_DATA * pBDData) EnableSRAM(pBDData); - pBDData->bDSPEnabled = TRUE; + pBDData->bDSPEnabled = true; PRINTK_1(TRACE_TP3780I, "tp3780i::tp3780I_EnableDSP exit\n"); @@ -401,10 +401,10 @@ int tp3780I_EnableDSP(THINKPAD_BD_DATA * pBDData) exit_cleanup: PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Cleaning up\n"); if (bDSPPoweredUp) - smapi_set_DSP_power_state(FALSE); + smapi_set_DSP_power_state(false); if (bInterruptAllocated) { free_irq(pSettings->usDspIrq, NULL); - pSettings->bInterruptClaimed = FALSE; + pSettings->bInterruptClaimed = false; } return -EIO; } @@ -421,10 +421,10 @@ int tp3780I_DisableDSP(THINKPAD_BD_DATA * pBDData) dsp3780I_DisableDSP(&pBDData->rDspSettings); if (pSettings->bInterruptClaimed) { free_irq(pSettings->usDspIrq, NULL); - pSettings->bInterruptClaimed = FALSE; + pSettings->bInterruptClaimed = false; } - smapi_set_DSP_power_state(FALSE); - pBDData->bDSPEnabled = FALSE; + smapi_set_DSP_power_state(false); + pBDData->bDSPEnabled = false; } PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_DisableDSP exit retval %x\n", retval); @@ -516,7 +516,7 @@ int tp3780I_ReadWriteDspDStore(THINKPAD_BD_DATA * pBDData, unsigned int uOpcode, int retval = 0; DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings; unsigned short usDspBaseIO = pSettings->usDspBaseIO; - BOOLEAN bRC = 0; + bool bRC = 0; PRINTK_6(TRACE_TP3780I, "tp3780i::tp3780I_ReadWriteDspDStore entry pBDData %p, uOpcode %x, pvBuffer %p, uCount %x, ulDSPAddr %lx\n", @@ -552,7 +552,7 @@ int tp3780I_ReadWriteDspIStore(THINKPAD_BD_DATA * pBDData, unsigned int uOpcode, int retval = 0; DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings; unsigned short usDspBaseIO = pSettings->usDspBaseIO; - BOOLEAN bRC = 0; + bool bRC = 0; PRINTK_6(TRACE_TP3780I, "tp3780i::tp3780I_ReadWriteDspIStore entry pBDData %p, uOpcode %x, pvBuffer %p, uCount %x, ulDSPAddr %lx\n", -- cgit v1.2.3 From c1e8ad231141be21471d2cc624773eb5250c07b3 Mon Sep 17 00:00:00 2001 From: Zhouyi Zhou Date: Wed, 10 Aug 2016 16:06:43 +0800 Subject: snsc: check return value of class_create return value of class_create should be considered in module init function. Signed-off-by: Zhouyi Zhou Signed-off-by: Greg Kroah-Hartman --- drivers/char/snsc.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'drivers/char') diff --git a/drivers/char/snsc.c b/drivers/char/snsc.c index 94006f9c2e43..10e56323f390 100644 --- a/drivers/char/snsc.c +++ b/drivers/char/snsc.c @@ -385,13 +385,18 @@ scdrv_init(void) event_nasid = ia64_sn_get_console_nasid(); + snsc_class = class_create(THIS_MODULE, SYSCTL_BASENAME); + if (IS_ERR(snsc_class)) { + printk("%s: failed to allocate class\n", __func__); + return PTR_ERR(snsc_class); + } + if (alloc_chrdev_region(&first_dev, 0, num_cnodes, SYSCTL_BASENAME) < 0) { printk("%s: failed to register SN system controller device\n", __func__); return -ENODEV; } - snsc_class = class_create(THIS_MODULE, SYSCTL_BASENAME); for (cnode = 0; cnode < num_cnodes; cnode++) { geoid = cnodeid_get_geoid(cnode); -- cgit v1.2.3 From d61f3088ea79c1f11fc8fe869d6f90a4cc97a452 Mon Sep 17 00:00:00 2001 From: Eli Billauer Date: Fri, 24 Jun 2016 10:48:30 +0300 Subject: char: xillybus: Fix spelling mistake and comment This patch fixes two minor issues: (1) An inaccurate comment (2) A spelling mistake in dev_err message ("upgarde" -> "upgrade") Reported-by: Joe Perches Reported-by: Colin Ian King Signed-off-by: Eli Billauer Signed-off-by: Greg Kroah-Hartman --- drivers/char/xillybus/xillybus_core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/char') diff --git a/drivers/char/xillybus/xillybus_core.c b/drivers/char/xillybus/xillybus_core.c index dcd19f3f182e..b6c9cdead7f3 100644 --- a/drivers/char/xillybus/xillybus_core.c +++ b/drivers/char/xillybus/xillybus_core.c @@ -655,10 +655,10 @@ static int xilly_obtain_idt(struct xilly_endpoint *endpoint) version = channel->wr_buffers[0]->addr; - /* Check version number. Accept anything below 0x82 for now. */ + /* Check version number. Reject anything above 0x82. */ if (*version > 0x82) { dev_err(endpoint->dev, - "No support for IDT version 0x%02x. Maybe the xillybus driver needs an upgarde. Aborting.\n", + "No support for IDT version 0x%02x. Maybe the xillybus driver needs an upgrade. Aborting.\n", *version); return -ENODEV; } -- cgit v1.2.3 From 148a1bc84398039e2b96ff78678c4d9a67f81452 Mon Sep 17 00:00:00 2001 From: Robin Murphy Date: Wed, 1 Jun 2016 19:21:42 +0100 Subject: drivers: char: mem: Check {read,write}_kmem() addresses Arriving at read_kmem() with an offset representing a bogus kernel address (e.g. 0 from a simple "cat /dev/kmem") leads to copy_to_user faulting on the kernel-side read. x86_64 happens to get away with this since the optimised implementation uses "rep movs*", thus the user write (which is allowed to fault) and the kernel read are the same instruction, the kernel-side fault falls into the user-side fixup handler and the chain of events which transpires ends up returning an error as one might expect, even if it's an inappropriate -EFAULT. On other architectures, though, the read is not covered by the fixup entry for the write, and we get a big scary "Unable to hande kernel paging request..." dump. The more typical use-case of mmap_kmem() has always (within living memory at least) returned -EIO for addresses which don't satisfy pfn_valid(), so let's make that consistent across {read,write}_kem() too. Reported-by: Kefeng Wang Signed-off-by: Robin Murphy Signed-off-by: Greg Kroah-Hartman --- drivers/char/mem.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'drivers/char') diff --git a/drivers/char/mem.c b/drivers/char/mem.c index a33163dbb913..5bb1985ec484 100644 --- a/drivers/char/mem.c +++ b/drivers/char/mem.c @@ -381,6 +381,9 @@ static ssize_t read_kmem(struct file *file, char __user *buf, char *kbuf; /* k-addr because vread() takes vmlist_lock rwlock */ int err = 0; + if (!pfn_valid(PFN_DOWN(p))) + return -EIO; + read = 0; if (p < (unsigned long) high_memory) { low_count = count; @@ -509,6 +512,9 @@ static ssize_t write_kmem(struct file *file, const char __user *buf, char *kbuf; /* k-addr because vwrite() takes vmlist_lock rwlock */ int err = 0; + if (!pfn_valid(PFN_DOWN(p))) + return -EIO; + if (p < (unsigned long) high_memory) { unsigned long to_write = min_t(unsigned long, count, (unsigned long)high_memory - p); -- cgit v1.2.3 From 0b3191d4ea6403f429beab5097428093e170fe44 Mon Sep 17 00:00:00 2001 From: Joe Perches Date: Tue, 6 Sep 2016 09:49:04 -0700 Subject: ttyprintk: Neaten and simplify printing The code is a bit obscure. Simplify it by using a single routine to flush the tpk_buffer and emit the buffer prefixed with "[U] ". Signed-off-by: Joe Perches Signed-off-by: Greg Kroah-Hartman --- drivers/char/ttyprintk.c | 69 ++++++++++++++++++++++-------------------------- 1 file changed, 31 insertions(+), 38 deletions(-) (limited to 'drivers/char') diff --git a/drivers/char/ttyprintk.c b/drivers/char/ttyprintk.c index b098d2d0b7c4..67549ce88cc9 100644 --- a/drivers/char/ttyprintk.c +++ b/drivers/char/ttyprintk.c @@ -31,60 +31,53 @@ static struct ttyprintk_port tpk_port; * printk messages (also suitable for logging service): * - any cr is replaced by nl * - adds a ttyprintk source tag in front of each line - * - too long message is fragmeted, with '\'nl between fragments - * - TPK_STR_SIZE isn't really the write_room limiting factor, bcause + * - too long message is fragmented, with '\'nl between fragments + * - TPK_STR_SIZE isn't really the write_room limiting factor, because * it is emptied on the fly during preformatting. */ #define TPK_STR_SIZE 508 /* should be bigger then max expected line length */ #define TPK_MAX_ROOM 4096 /* we could assume 4K for instance */ -static const char *tpk_tag = "[U] "; /* U for User */ static int tpk_curr; +static char tpk_buffer[TPK_STR_SIZE + 4]; + +static void tpk_flush(void) +{ + if (tpk_curr > 0) { + tpk_buffer[tpk_curr] = '\0'; + pr_info("[U] %s\n", tpk_buffer); + tpk_curr = 0; + } +} + static int tpk_printk(const unsigned char *buf, int count) { - static char tmp[TPK_STR_SIZE + 4]; int i = tpk_curr; if (buf == NULL) { - /* flush tmp[] */ - if (tpk_curr > 0) { - /* non nl or cr terminated message - add nl */ - tmp[tpk_curr + 0] = '\n'; - tmp[tpk_curr + 1] = '\0'; - printk(KERN_INFO "%s%s", tpk_tag, tmp); - tpk_curr = 0; - } + tpk_flush(); return i; } for (i = 0; i < count; i++) { - tmp[tpk_curr] = buf[i]; - if (tpk_curr < TPK_STR_SIZE) { - switch (buf[i]) { - case '\r': - /* replace cr with nl */ - tmp[tpk_curr + 0] = '\n'; - tmp[tpk_curr + 1] = '\0'; - printk(KERN_INFO "%s%s", tpk_tag, tmp); - tpk_curr = 0; - if ((i + 1) < count && buf[i + 1] == '\n') - i++; - break; - case '\n': - tmp[tpk_curr + 1] = '\0'; - printk(KERN_INFO "%s%s", tpk_tag, tmp); - tpk_curr = 0; - break; - default: - tpk_curr++; - } - } else { + if (tpk_curr >= TPK_STR_SIZE) { /* end of tmp buffer reached: cut the message in two */ - tmp[tpk_curr + 1] = '\\'; - tmp[tpk_curr + 2] = '\n'; - tmp[tpk_curr + 3] = '\0'; - printk(KERN_INFO "%s%s", tpk_tag, tmp); - tpk_curr = 0; + tpk_buffer[tpk_curr++] = '\\'; + tpk_flush(); + } + + switch (buf[i]) { + case '\r': + tpk_flush(); + if ((i + 1) < count && buf[i + 1] == '\n') + i++; + break; + case '\n': + tpk_flush(); + break; + default: + tpk_buffer[tpk_curr++] = buf[i]; + break; } } -- cgit v1.2.3