From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Cyril Roelandt <tipecaml@gmail.com>
Cc: linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org,
gregkh@linuxfoundation.org, balbi@ti.com,
kernel-janitors@vger.kernel.org
Subject: Re: [PATCH v2] UVC: use GFP_ATOMIC under spin lock.
Date: Tue, 27 Nov 2012 13:14:15 +0000 [thread overview]
Message-ID: <2500725.v6dAOyECjO@avalon> (raw)
In-Reply-To: <1353808699-17224-1-git-send-email-tipecaml@gmail.com>
Hi Cyril,
Thank you for the patch.
On Sunday 25 November 2012 02:58:19 Cyril Roelandt wrote:
> 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>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
and applied to my tree
> ---
> 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 b0e53a8..cd067a6 100644
> --- a/drivers/usb/gadget/uvc_video.c
> +++ b/drivers/usb/gadget/uvc_video.c
> @@ -309,7 +309,8 @@ 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);
--
Regards,
Laurent Pinchart
WARNING: multiple messages have this Message-ID (diff)
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Cyril Roelandt <tipecaml@gmail.com>
Cc: linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org,
gregkh@linuxfoundation.org, balbi@ti.com,
kernel-janitors@vger.kernel.org
Subject: Re: [PATCH v2] UVC: use GFP_ATOMIC under spin lock.
Date: Tue, 27 Nov 2012 14:14:15 +0100 [thread overview]
Message-ID: <2500725.v6dAOyECjO@avalon> (raw)
In-Reply-To: <1353808699-17224-1-git-send-email-tipecaml@gmail.com>
Hi Cyril,
Thank you for the patch.
On Sunday 25 November 2012 02:58:19 Cyril Roelandt wrote:
> 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>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
and applied to my tree
> ---
> 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 b0e53a8..cd067a6 100644
> --- a/drivers/usb/gadget/uvc_video.c
> +++ b/drivers/usb/gadget/uvc_video.c
> @@ -309,7 +309,8 @@ 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);
--
Regards,
Laurent Pinchart
next prev parent reply other threads:[~2012-11-27 13:14 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-19 21:34 [PATCH] UVC: use GFP_ATOMIC under spin lock Cyril Roelandt
2012-11-19 21:34 ` Cyril Roelandt
2012-11-22 8:09 ` walter harms
2012-11-22 8:09 ` walter harms
2012-11-22 12:22 ` Felipe Balbi
2012-11-22 12:22 ` Felipe Balbi
2012-11-22 12:38 ` Laurent Pinchart
2012-11-22 12:38 ` Laurent Pinchart
2012-11-25 1:58 ` [PATCH v2] " Cyril Roelandt
2012-11-25 1:58 ` Cyril Roelandt
2012-11-27 13:14 ` Laurent Pinchart [this message]
2012-11-27 13:14 ` Laurent Pinchart
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