From: Cyril Roelandt <tipecaml@xxxxxxxxx>
Found using the following semantic patch:
<spml>
@@
@@
spin_lock_irqsave(...);
... when != spin_unlock_irqrestore(...);
* GFP_KERNEL
</spml>
Signed-off-by: Cyril Roelandt <tipecaml@xxxxxxxxx>
Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
---
drivers/usb/gadget/uvc_video.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/gadget/uvc_video.c b/drivers/usb/gadget/uvc_video.c
index a1c308c..f5193cc 100644
--- a/drivers/usb/gadget/uvc_video.c
+++ b/drivers/usb/gadget/uvc_video.c
@@ -315,7 +315,8 @@ 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) {
+ ret = usb_ep_queue(video->ep, req, GFP_ATOMIC);
+ if (ret < 0) {
printk(KERN_INFO "Failed to queue request (%d)\n", ret);
usb_ep_set_halt(video->ep);
spin_unlock_irqrestore(&video->queue.irqlock, flags);
--
1.7.12.4
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