[media] em28xx: Fix em28xx deplock

[platform/adaptation/renesas_rcar/renesas_kernel.git] / drivers / media / usb / em28xx / em28xx-core.c

diff --git a/drivers/media/usb/em28xx/em28xx-core.c b/drivers/media/usb/em28xx/em28xx-core.c
index 3012912..f773017 100644 (file)
--- a/drivers/media/usb/em28xx/em28xx-core.c
+++ b/drivers/media/usb/em28xx/em28xx-core.c
@@ -1094,10 +1094,12 @@ void em28xx_close_extension(struct em28xx *dev)
        const struct em28xx_ops *ops = NULL;
 
        mutex_lock(&em28xx_devlist_mutex);
+       mutex_lock(&dev->lock);
        list_for_each_entry(ops, &em28xx_extension_devlist, next) {
                if (ops->fini)
                        ops->fini(dev);
        }
+       mutex_unlock(&dev->lock);
        list_del(&dev->devlist);
        mutex_unlock(&em28xx_devlist_mutex);
 }