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camera(uvc): fix kernel may panic when close uvc camera,because uninit tasklet after uninit urb in uvc_uninit_video

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ddl
2011-09-02 11:57:01 +08:00
parent 2c54ff22b2
commit bb2d646b32
1 changed files with 6 additions and 4 deletions
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10
drivers/media/video/uvc/uvc_video.c
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@@ -843,15 +843,17 @@ static void uvc_uninit_video(struct uvc_streaming *stream, int free_buffers)
if (urb == NULL)
continue;
usb_kill_urb(urb);
usb_free_urb(urb);
stream->urb[i] = NULL;
/* ddl@rock-chips.com */
/* ddl@rock-chips.com: Tasklet must be kill before kill urb in uninit */
if (stream->tasklet[i]) {
tasklet_kill(stream->tasklet[i]);
kfree(stream->tasklet[i]);
stream->tasklet[i] = NULL;
}
usb_kill_urb(urb);
usb_free_urb(urb);
stream->urb[i] = NULL;
}
if (free_buffers)