From: Cyril Roelandt <tipecaml@gmail.com>
Date: Mon, 19 Nov 2012 21:36:09 +0000 (-0300)
Subject: [media] mx2_camera: use GFP_ATOMIC under spin lock
X-Git-Tag: v3.9-rc5~2^2~605
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4a8a8042be289f6d53fc6cbfbed1722db14d7af1;p=platform%2Fupstream%2Fkernel-adaptation-pc.git

[media] mx2_camera: 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: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---

diff --git a/drivers/media/platform/soc_camera/mx2_camera.c b/drivers/media/platform/soc_camera/mx2_camera.c
index 9a55f4c..77529f8 100644
--- a/drivers/media/platform/soc_camera/mx2_camera.c
+++ b/drivers/media/platform/soc_camera/mx2_camera.c
@@ -879,7 +879,7 @@ static int mx2_start_streaming(struct vb2_queue *q, unsigned int count)
 		pcdev->discard_size = icd->user_height * bytesperline;
 		pcdev->discard_buffer = dma_alloc_coherent(ici->v4l2_dev.dev,
 				pcdev->discard_size, &pcdev->discard_buffer_dma,
-				GFP_KERNEL);
+				GFP_ATOMIC);
 		if (!pcdev->discard_buffer) {
 			spin_unlock_irqrestore(&pcdev->lock, flags);
 			return -ENOMEM;