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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-08-12 07:33:23 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-08-12 07:33:23 +0200 |
| commit | 77e38c19f373c077712e60cd190ca9cba13b7177 (patch) | |
| tree | c7a743735cffdcaee26ca559888196d229c4ec1e /drivers/atm/iphase.c | |
| parent | cec2caedd979e8778b61ca7dd15fa7ec8fcf7162 (diff) | |
| parent | d45331b00ddb179e291766617259261c112db872 (diff) | |
| download | linux-77e38c19f373c077712e60cd190ca9cba13b7177.tar.bz2 | |
Merge 5.3-rc4 into char-misc-next
We need the char-misc fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/atm/iphase.c')
| -rw-r--r-- | drivers/atm/iphase.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/atm/iphase.c b/drivers/atm/iphase.c index 302cf0ba1600..8c7a996d1f16 100644 --- a/drivers/atm/iphase.c +++ b/drivers/atm/iphase.c @@ -63,6 +63,7 @@ #include <asm/byteorder.h> #include <linux/vmalloc.h> #include <linux/jiffies.h> +#include <linux/nospec.h> #include "iphase.h" #include "suni.h" #define swap_byte_order(x) (((x & 0xff) << 8) | ((x & 0xff00) >> 8)) @@ -2760,8 +2761,11 @@ static int ia_ioctl(struct atm_dev *dev, unsigned int cmd, void __user *arg) } if (copy_from_user(&ia_cmds, arg, sizeof ia_cmds)) return -EFAULT; board = ia_cmds.status; - if ((board < 0) || (board > iadev_count)) - board = 0; + + if ((board < 0) || (board > iadev_count)) + board = 0; + board = array_index_nospec(board, iadev_count + 1); + iadev = ia_dev[board]; switch (ia_cmds.cmd) { case MEMDUMP: |