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[4/7] media: mx3_camera: fix const cropping related warnings

Message ID 1348836424-4672-5-git-send-email-g.liakhovetski@gmx.de (mailing list archive)
State New, archived
Headers show

Commit Message

Guennadi Liakhovetski Sept. 28, 2012, 12:47 p.m. UTC 
A recent commit "[media] v4l2: make vidioc_s_crop const" introduced
warnings in mx3_camera. Fix them by cleanly separating writable and
read-only variables in cropping operations.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
---
 drivers/media/platform/soc_camera/mx3_camera.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)
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Patch

diff --git a/drivers/media/platform/soc_camera/mx3_camera.c b/drivers/media/platform/soc_camera/mx3_camera.c
index 16975c6..968b6d7 100644
--- a/drivers/media/platform/soc_camera/mx3_camera.c
+++ b/drivers/media/platform/soc_camera/mx3_camera.c
@@ -799,9 +799,10 @@  static inline void stride_align(__u32 *width)
  * default g_crop and cropcap from soc_camera.c
  */
 static int mx3_camera_set_crop(struct soc_camera_device *icd,
-			       struct v4l2_crop *a)
+			       const struct v4l2_crop *a)
 {
-	struct v4l2_rect *rect = &a->c;
+	struct v4l2_crop a_writable = *a;
+	struct v4l2_rect *rect = &a_writable.c;
 	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);
 	struct mx3_camera_dev *mx3_cam = ici->priv;
 	struct v4l2_subdev *sd = soc_camera_to_subdev(icd);