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[3/7] media: sh_vou: fix const cropping related warnings

Message ID 1348836424-4672-4-git-send-email-g.liakhovetski@gmx.de (mailing list archive)
State New, archived
Headers show

Commit Message

Guennadi Liakhovetski Sept. 28, 2012, 12:46 p.m. UTC 
A recent commit "[media] v4l2: make vidioc_s_crop const" introduced
warnings in sh_vou. 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/sh_vou.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
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Patch

diff --git a/drivers/media/platform/sh_vou.c b/drivers/media/platform/sh_vou.c
index 85fd312..a1c87f0 100644
--- a/drivers/media/platform/sh_vou.c
+++ b/drivers/media/platform/sh_vou.c
@@ -935,9 +935,10 @@  static int sh_vou_g_crop(struct file *file, void *fh, struct v4l2_crop *a)
 /* Assume a dull encoder, do all the work ourselves. */
 static int sh_vou_s_crop(struct file *file, void *fh, const struct v4l2_crop *a)
 {
+	struct v4l2_crop a_writable = *a;
 	struct video_device *vdev = video_devdata(file);
 	struct sh_vou_device *vou_dev = video_get_drvdata(vdev);
-	struct v4l2_rect *rect = &a->c;
+	struct v4l2_rect *rect = &a_writable.c;
 	struct v4l2_crop sd_crop = {.type = V4L2_BUF_TYPE_VIDEO_OUTPUT};
 	struct v4l2_pix_format *pix = &vou_dev->pix;
 	struct sh_vou_geometry geo;