From 7a295d1289f2be16f80f0a5242db330d542e0037 Mon Sep 17 00:00:00 2001 From: Volokh Konstantin Date: Wed, 16 Jan 2013 09:00:49 -0300 Subject: [PATCH] [media] staging: media: go7007: firmware protection Protection for unfirmware load If no firmware was loaded (no exists,wrong or some error) then rmmod fails with OOPS, so need some protection stuff. Signed-off-by: Volokh Konstantin Signed-off-by: Mauro Carvalho Chehab --- drivers/staging/media/go7007/go7007-usb.c | 2 +- drivers/staging/media/go7007/go7007-v4l2.c | 3 ++- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/staging/media/go7007/go7007-usb.c b/drivers/staging/media/go7007/go7007-usb.c index 5443e25086e9..a6cad1589475 100644 --- a/drivers/staging/media/go7007/go7007-usb.c +++ b/drivers/staging/media/go7007/go7007-usb.c @@ -1245,7 +1245,6 @@ static void go7007_usb_disconnect(struct usb_interface *intf) struct urb *vurb, *aurb; int i; - go->status = STATUS_SHUTDOWN; usb_kill_urb(usb->intr_urb); /* Free USB-related structs */ @@ -1269,6 +1268,7 @@ static void go7007_usb_disconnect(struct usb_interface *intf) kfree(go->hpi_context); go7007_remove(go); + go->status = STATUS_SHUTDOWN; } static struct usb_driver go7007_usb_driver = { diff --git a/drivers/staging/media/go7007/go7007-v4l2.c b/drivers/staging/media/go7007/go7007-v4l2.c index 94899759229f..39e6749353be 100644 --- a/drivers/staging/media/go7007/go7007-v4l2.c +++ b/drivers/staging/media/go7007/go7007-v4l2.c @@ -1832,5 +1832,6 @@ void go7007_v4l2_remove(struct go7007 *go) mutex_unlock(&go->hw_lock); if (go->video_dev) video_unregister_device(go->video_dev); - v4l2_device_unregister(&go->v4l2_dev); + if (go->status != STATUS_SHUTDOWN) + v4l2_device_unregister(&go->v4l2_dev); } -- 2.20.1