V4L/DVB (7449): cx88: fix oops on module removal caused by IR worker

If the IR worker is not stopped before the removal of the cx88xx module,
an OOPS may occur, because the worker function cx88_ir_work gets called.
So stop the ir worker.

Signed-off-by: Marton Balint <cus@fazekas.hu>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/media/video/cx88/cx88-video.c b/drivers/media/video/cx88/cx88-video.c
index 327c0a87c081..1eea044969a1 100644
--- a/drivers/media/video/cx88/cx88-video.c
+++ b/drivers/media/video/cx88/cx88-video.c
@@ -1920,6 +1920,9 @@ static void __devexit cx8800_finidev(struct pci_dev *pci_dev)
                 core->kthread = NULL;
         }
 
+        if (core->ir)
+                cx88_ir_stop(core, core->ir);
+
         cx88_shutdown(core); /* FIXME */
         pci_disable_device(pci_dev);