[patch] drm/radeon: check kmalloc() for failures

[Dan Carpenter]

We can just return -ENOMEM here if the allocation fails.

Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com>

diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 0874a6d..fb44e7e 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -2008,6 +2008,8 @@ int r100_cs_parse(struct radeon_cs_parser *p)
 	int r;
 
 	track = kzalloc(sizeof(*track), GFP_KERNEL);
+	if (!track)
+		return -ENOMEM;
 	r100_cs_track_clear(p->rdev, track);
 	p->track = track;
 	do {