From: Alan Cox <alan@lxorguk.ukuu.org.uk>
Date: Mon, 23 Mar 2009 10:37:57 +0000 (+0000)
Subject: ARM: cumana: Fix a long standing bogon
X-Git-Tag: v2.6.29.1~20
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=86046cf121d09c4513f1c79c8726a761777988f0;p=thirdparty%2Fkernel%2Fstable.git

ARM: cumana: Fix a long standing bogon

upstream commit: ecbf61e7357d5c7047c813edd6983902d158688c

Should be using strncmp as the data from user space may be unterminated

(Bug #8004)

Signed-off-by: Alan Cox <alan@lxorguk.ukuu.org.uk
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
---

diff --git a/drivers/scsi/arm/cumana_2.c b/drivers/scsi/arm/cumana_2.c
index 68a64123af8f9..ed502b7412d69 100644
--- a/drivers/scsi/arm/cumana_2.c
+++ b/drivers/scsi/arm/cumana_2.c
@@ -318,7 +318,7 @@ cumanascsi_2_set_proc_info(struct Scsi_Host *host, char *buffer, int length)
 {
 	int ret = length;
 
-	if (length >= 11 && strcmp(buffer, "CUMANASCSI2") == 0) {
+	if (length >= 11 && strncmp(buffer, "CUMANASCSI2", 11) == 0) {
 		buffer += 11;
 		length -= 11;