diff mbox

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

Message ID 1312401079-1775-1-git-send-email-prtvar.b@gmail.com (mailing list archive)
State Accepted
Headers show

Commit Message

Bojan Prtvar Aug. 3, 2011, 7:51 p.m. UTC
kzalloc() can return NULL, so I added check for it

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

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;