1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/media/video/ivtv/ivtv-driver.h b/drivers/media/video/ivtv/ivtv-driver.h
index 48afd4270cbf..65ebddab3fe1 100644
--- a/drivers/media/video/ivtv/ivtv-driver.h
+++ b/drivers/media/video/ivtv/ivtv-driver.h
@@ -722,6 +722,7 @@ struct ivtv {
         int search_pack_header;
 
         spinlock_t dma_reg_lock; /* lock access to DMA engine registers */
+        struct mutex serialize_lock;  /* lock used to serialize starting streams */
 
         /* User based DMA for OSD */
         struct ivtv_user_dma udma;