[media] tm6000: Flesh out the IRQ callback

This brings the IRQ callback implementation more in line with how other
drivers do it.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 13 insertions, 1 deletions

diff --git a/drivers/staging/tm6000/tm6000-video.c b/drivers/staging/tm6000/tm6000-video.c
index ba9cd247017..bef6023424a 100644
--- a/drivers/staging/tm6000/tm6000-video.c
+++ b/drivers/staging/tm6000/tm6000-video.c
@@ -513,9 +513,21 @@ static void tm6000_irq_callback(struct urb *urb)
         struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq);
         int i;
 
-        if (!dev)
+        switch (urb->status) {
+        case 0:
+        case -ETIMEDOUT:
+                break;
+
+        case -ECONNRESET:
+        case -ENOENT:
+        case -ESHUTDOWN:
                 return;
 
+        default:
+                tm6000_err("urb completion error %d.\n", urb->status);
+                break;
+        }
+
         spin_lock(&dev->slock);
         tm6000_isoc_copy(urb);
         spin_unlock(&dev->slock);