patch "staging/rts5208: fix incorrect shift to extract upper nybble" added to staging-next
Subsystems (2)
This is a note to let you know that I've just added the patch titled
staging/rts5208: fix incorrect shift to extract upper nybble
to my staging git tree which can be found at
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git
in the staging-next branch.
The patch will show up in the next release of the linux-next tree (usually sometime within the next 24 hours during the week.)
The patch will also be merged in the next major kernel release during the merge window.
If you have any questions about this process, please let me know.
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34ff1bf4920471cff66775dc39537b15c5f0feffMon Sep 17 00:00:00 2001
From: Colin Ian King <[email protected]>
Date: Fri, 18 Aug 2017 14:34:16 +0100
Subject: staging/rts5208: fix incorrect shift to extract upper nybble
The mask of sns_key_info1 suggests the upper nybble is being extracted however the following shift of 8 bits is too large and always results in
0. Fix this by shifting only by 4 bits to correctly get the upper nybble.
Detected by CoverityScan, CID#142891 ("Operands don't affect result")
--- drivers/staging/rts5208/rtsx_scsi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
drivers/staging/rts5208/rtsx_scsi.c +1 -1
@@ -414,7 +414,7 @@ void set_sense_data(struct rtsx_chip *chip, unsigned int lun, u8 err_code, sense->ascq = ascq;if (sns_key_info0 !=0 ) { sense->sns_key_info[0 ] =SKSV | sns_key_info0; - sense->sns_key_info[1 ] = (sns_key_info1 &0xf0 ) >>8 ; + sense->sns_key_info[1 ] = (sns_key_info1 &0xf0 ) >>4 ; sense->sns_key_info[2 ] = sns_key_info1 &0x0f ; } }
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2.14.1