On Fri, Dec 15, 2023 at 01:07:45PM -0800, Avichal Rakesh wrote: > When handling error status from uvcg_video_usb_req_queue, > uvc_video_complete currently calls uvcg_queue_cancel with > video->req_lock held. uvcg_queue_cancel internally locks > queue->irqlock, which nests queue->irqlock inside > video->req_lock. This isn't a functional bug at the > moment, but does open up possibilities for ABBA > deadlocks in the future. > > This patch fixes the accidental nesting by dropping > video->req_lock before calling uvcg_queue_cancel. > > Signed-off-by: Avichal Rakesh <arakesh@xxxxxxxxxx> > --- > drivers/usb/gadget/function/uvc_video.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) Again, what commit does this fix? thanks, greg k-h
