From 816985d4f96cda5159b6b65f3442964725030ae9 Mon Sep 17 00:00:00 2001
From: Bojan Prtvar <prtvar.b@gmail.com>
Date: Wed, 3 Aug 2011 19:51:19 +0000
Subject: [PATCH] drm/radeon: fix potential NULL dereference in
 drivers/gpu/drm/radeon/atom.c

kzalloc() can return NULL, so I added check for it

Signed-off-by: Bojan Prtvar <prtvar.b@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/atom.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/radeon/atom.c b/drivers/gpu/drm/radeon/atom.c
index ebdb0fd..e88c644 100644
--- a/drivers/gpu/drm/radeon/atom.c
+++ b/drivers/gpu/drm/radeon/atom.c
@@ -1245,6 +1245,9 @@ struct atom_context *atom_parse(struct card_info *card, void *bios)
 	char name[512];
 	int i;
 
+	if (!ctx)
+		return NULL;
+
 	ctx->card = card;
 	ctx->bios = bios;
 
-- 
2.7.4