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yam: integer underflow in yam_ioctl()

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We cap bitrate at YAM_MAXBITRATE in yam_ioctl(), but it could also be
negative.  I don't know the impact of using a negative bitrate but let's
prevent it.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Dan Carpenter
2013-10-14 15:28:38 +03:00
committed by David S. Miller
parent dbbd2ad89b
commit 9e5f172190
1 changed files with 1 additions and 1 deletions
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include/linux/yam.h
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@@ -77,6 +77,6 @@ struct yamdrv_ioctl_cfg {
struct yamdrv_ioctl_mcs { struct yamdrv_ioctl_mcs {
int cmd; int cmd;
int bitrate; unsigned int bitrate;
unsigned char bits[YAM_FPGA_SIZE]; unsigned char bits[YAM_FPGA_SIZE];
}; };