yam: integer underflow in yam_ioctl() · 9e5f172190 - Gogs

yam: integer underflow in yam_ioctl()

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>

Dan Carpenter 11 years ago

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dbbd2ad89b

commit

9e5f172190

1 changed files with 1 additions and 1 deletions

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							+ 1
							
							- 1
						
include/linux/yam.h
							 
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				@@ -77,6 +77,6 @@ struct yamdrv_ioctl_cfg {
			
				 struct yamdrv_ioctl_mcs {
			
				 	int cmd;
			
				-	int bitrate;
			
				+	unsigned int bitrate;
			
				 	unsigned char bits[YAM_FPGA_SIZE];
			
				 };