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>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/media/video/pvrusb2/pvrusb2-context.c b/drivers/media/video/pvrusb2/pvrusb2-context.c
index 160437b21e6d..2a6726e403f0 100644
--- 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;
                 }