V4L/DVB (6205): pvrusb2: Fix oops in error leg cleanup

Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/media/video/pvrusb2/pvrusb2-context.c b/drivers/media/video/pvrusb2/pvrusb2-context.c
index 6bbed88d7867..22719ba861ac 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-context.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-context.c
@@ -33,8 +33,10 @@ static void pvr2_context_destroy(struct pvr2_context *mp)
 {
         if (mp->hdw) pvr2_hdw_destroy(mp->hdw);
         pvr2_trace(PVR2_TRACE_STRUCT,"Destroying pvr_main id=%p",mp);
-        flush_workqueue(mp->workqueue);
-        destroy_workqueue(mp->workqueue);
+        if (mp->workqueue) {
+                flush_workqueue(mp->workqueue);
+                destroy_workqueue(mp->workqueue);
+        }
         kfree(mp);
 }