From: Roel Kluin <roel.kluin@gmail.com>
Date: Tue, 8 Dec 2009 22:08:56 +0000 (-0800)
Subject: [SCSI] ibmmca: fix buffer overflow
X-Git-Tag: firefly_0821_release~9833^2~3106^2~152
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=340f052001d46aff9e7e853c492e0d3f5554d42f;p=firefly-linux-kernel-4.4.55.git

[SCSI] ibmmca: fix buffer overflow

Allows i == IM_MAX_HOSTS, which is out of range.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---

diff --git a/drivers/scsi/ibmmca.c b/drivers/scsi/ibmmca.c
index 9c1e6a5b5af0..9a4b69d4f4eb 100644
--- a/drivers/scsi/ibmmca.c
+++ b/drivers/scsi/ibmmca.c
@@ -2336,7 +2336,7 @@ static int option_setup(char *str)
 	char *cur = str;
 	int i = 1;
 
-	while (cur && isdigit(*cur) && i <= IM_MAX_HOSTS) {
+	while (cur && isdigit(*cur) && i < IM_MAX_HOSTS) {
 		ints[i++] = simple_strtoul(cur, NULL, 0);
 		if ((cur = strchr(cur, ',')) != NULL)
 			cur++;