[PATCH] Fix potential NULL dereference in drivers/gpu/drm/radeon/atom.c

[Bojan Prtvar]

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

Signed-off-by: Bojan Prtvar <prtvar.b at gmail.com>
---
 drivers/gpu/drm/radeon/atom.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

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;
 
-- 
1.7.1