drm/nv50/disp: fix a potential oops in supervisor handling

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
git-mirror · Jun 17, 2014 · ba5e01b · ba5e01b
1 parent cf7c5d6
commit ba5e01b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
@@ -1270,7 +1270,7 @@ exec_clkcmp(struct nv50_disp_priv *priv, int head, int id, u32 pclk, u32 *conf)
 	i--;
 
 	outp = exec_lookup(priv, head, i, ctrl, &data, &ver, &hdr, &cnt, &len, &info1);
-	if (!data)
+	if (!outp)
 		return NULL;
 
 	if (outp->info.location == 0) {