Commit 0dd4c68f authored by Tyrel Datwyler's avatar Tyrel Datwyler Committed by Sasha Levin

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

[ Upstream commit a87eeb90 ]

Commit 655ee63c ("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: 655ee63c ("[SCSI] scsi constants: command, sense key + additional sense strings")
Cc: <stable@vger.kernel.org> # v3.12+
Signed-off-by: default avatarTyrel Datwyler <tyreld@linux.vnet.ibm.com>
Reviewed-by: default avatarBart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: default avatarSasha Levin <alexander.levin@verizon.com>
parent cfad3a5a
...@@ -1181,8 +1181,9 @@ static const char * const snstext[] = { ...@@ -1181,8 +1181,9 @@ static const char * const snstext[] = {
/* Get sense key string or NULL if not available */ /* Get sense key string or NULL if not available */
const char * const char *
scsi_sense_key_string(unsigned char key) { scsi_sense_key_string(unsigned char key)
if (key <= 0xE) {
if (key < ARRAY_SIZE(snstext))
return snstext[key]; return snstext[key];
return NULL; return NULL;
} }
......
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