From: Artur Wojcik <artur.wojcik@intel.com>
Date: Thu, 10 Dec 2009 19:03:39 +0000 (-0700)
Subject: Fix for NULL pointer dereference defect.
X-Git-Tag: mdadm-3.1.2~63^2~10
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4e9d21862d0fbea7e028ff3a48a0b734440e6015;p=thirdparty%2Fmdadm.git

Fix for NULL pointer dereference defect.

Pointer 'st' returned from call to function 'malloc' at line 320 may
be NULL and it will be dereferenced at line 321.

Signed-off-by: Artur Wojcik <artur.wojcik@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---

diff --git a/super-intel.c b/super-intel.c
index cf6288f0..a2acaaf2 100644
--- a/super-intel.c
+++ b/super-intel.c
@@ -318,6 +318,8 @@ static struct supertype *match_metadata_desc_imsm(char *arg)
 		return NULL;
 
 	st = malloc(sizeof(*st));
+	if (!st)
+		return NULL;
 	memset(st, 0, sizeof(*st));
 	st->ss = &super_imsm;
 	st->max_devs = IMSM_MAX_DEVICES;