V4L/DVB (9726): cx18: Restore buffers that have fallen out of the transfer rotation

Restore buffers that have fallen out of the transfer rotation, and check
for coherent mailbox data when processing a stale mailbox.

Signed-off-by: Andy Walls <awalls@radix.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/media/video/cx18/cx18-driver.h b/drivers/media/video/cx18/cx18-driver.h
index cad352aeb837..f06290d32ecf 100644
--- a/drivers/media/video/cx18/cx18-driver.h
+++ b/drivers/media/video/cx18/cx18-driver.h
@@ -212,6 +212,7 @@ struct cx18_buffer {
         dma_addr_t dma_handle;
         u32 id;
         unsigned long b_flags;
+        unsigned skipped;
         char *buf;
 
         u32 bytesused;