V4L/DVB (7306): pvrusb2: Fix oops possible when claiming a NULL stream

Signed-off-by: Mike Isely <isely@pobox.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
git-mirror · Apr 24, 2008 · 99a6acf · 99a6acf
1 parent 7f421fe
commit 99a6acf
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/media/video/pvrusb2/pvrusb2-context.c b/drivers/media/video/pvrusb2/pvrusb2-context.c
@@ -173,7 +173,7 @@ int pvr2_channel_claim_stream(struct pvr2_channel *cp,
 	int code = 0;
 	pvr2_context_enter(cp->mc_head); do {
 		if (sp == cp->stream) break;
-		if (sp->user) {
+		if (sp && sp->user) {
 			code = -EBUSY;
 			break;
 		}