Am 19.11.2012 22:34, schrieb Cyril Roelandt:
> Found using the following semantic patch:
> <spml>
> @@
> @@
> spin_lock_irqsave(...);
> ... when != spin_unlock_irqrestore(...);
> * GFP_KERNEL
> </spml>
>
> Signed-off-by: Cyril Roelandt <tipec...@gmail.com>
> ---
> drivers/usb/gadget/uvc_video.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/usb/gadget/uvc_video.c b/drivers/usb/gadget/uvc_video.c
> index b0e53a8..79b4132 100644
> --- a/drivers/usb/gadget/uvc_video.c
> +++ b/drivers/usb/gadget/uvc_video.c
> @@ -309,7 +309,7 @@ uvc_video_pump(struct uvc_video *video)
> video->encode(req, video, buf);
>
> /* Queue the USB request */
> - if ((ret = usb_ep_queue(video->ep, req, GFP_KERNEL)) < 0) {
> + if ((ret = usb_ep_queue(video->ep, req, GFP_ATOMIC)) < 0) {
> printk(KERN_INFO "Failed to queue request (%d)\n", ret);
> usb_ep_set_halt(video->ep);
> spin_unlock_irqrestore(&video->queue.irqlock, flags);
IMHO, this should be two lines, aka:
ret = usb_ep_queue(video->ep, req, GFP_KERNEL);
if (ret<0)
just my two cents,
re,
wh
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