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authorCyril Roelandt <tipecaml@gmail.com>2013-03-01 20:46:32 +0100
committerFelipe Balbi <balbi@ti.com>2013-03-18 10:18:22 +0100
commit6854bcdc6ff92e3a9c24940a3c5ebb446950c974 (patch)
tree904756f4e0e7e1d569ad086f91cfd69c92b5b095 /drivers/usb/gadget/uvc_video.c
parentusb: gadget: uvc: Make video streaming buffer size comply with USB3.0 SS (diff)
downloadlinux-6854bcdc6ff92e3a9c24940a3c5ebb446950c974.tar.xz
linux-6854bcdc6ff92e3a9c24940a3c5ebb446950c974.zip
usb: gadget: uvc: Use GFP_ATOMIC under spin lock
Found using the following semantic patch: <spml> @@ @@ spin_lock_irqsave(...); ... when != spin_unlock_irqrestore(...); * GFP_KERNEL </spml> Signed-off-by: Cyril Roelandt <tipecaml@gmail.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Tested-by: Bhupesh Sharma <bhupesh.sharma@st.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/gadget/uvc_video.c')
-rw-r--r--drivers/usb/gadget/uvc_video.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/gadget/uvc_video.c b/drivers/usb/gadget/uvc_video.c
index fac99a97b782..ec4bcc4a2290 100644
--- a/drivers/usb/gadget/uvc_video.c
+++ b/drivers/usb/gadget/uvc_video.c
@@ -314,7 +314,8 @@ 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);