blob: ee9737908c04eecd3a28ceb64c29b25dde4d8d41 [file] [log] [blame]
From: Tyrel Datwyler <tyreld@linux.vnet.ibm.com>
Date: Fri, 12 Aug 2016 17:20:07 -0500
Subject: scsi: fix upper bounds check of sense key in scsi_sense_key_string()
commit a87eeb900dbb9f8202f96604d56e47e67c936b9d upstream.
Commit 655ee63cf371 ("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: 655ee63cf371 ("[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>
[bwh: Backported to 3.16: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
drivers/scsi/constants.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
--- a/drivers/scsi/constants.c
+++ b/drivers/scsi/constants.c
@@ -1335,9 +1335,10 @@ static const char * const snstext[] = {
/* Get sense key string or NULL if not available */
const char *
-scsi_sense_key_string(unsigned char key) {
+scsi_sense_key_string(unsigned char key)
+{
#ifdef CONFIG_SCSI_CONSTANTS
- if (key <= 0xE)
+ if (key < ARRAY_SIZE(snstext))
return snstext[key];
#endif
return NULL;