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scsi: fix upper bounds check of sense key in scsi_sense_key_string()

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commit a87eeb900dbb9f8202f96604d56e47e67c936b9d upstream.

Commit 655ee63cf3 ("scsi constants: command, sense key + additional
sense string") added a "Completed" sense string with key 0xF to
snstext[], but failed to updated the upper bounds check of the sense key
in scsi_sense_key_string().

Fixes: 655ee63cf3 ("[SCSI] scsi constants: command, sense key + additional sense strings")
Signed-off-by: Tyrel Datwyler <tyreld@linux.vnet.ibm.com>
Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tyrel Datwyler 2016-08-12 17:20:07 -05:00 • committed by Greg Kroah-Hartman
parent f5b004e4ed
commit 6f0caecda5
1 changed files with 3 additions and 2 deletions
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5
drivers/scsi/constants.c
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@ -1181,8 +1181,9 @@ static const char * const snstext[] = {
/* Get sense key string or NULL if not available */
const char *
scsi_sense_key_string(unsigned char key) {
if (key <= 0xE)
scsi_sense_key_string(unsigned char key)
{
if (key < ARRAY_SIZE(snstext))
return snstext[key];
return NULL;
}