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path: root/linux/drivers/media/video
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Diffstat (limited to 'linux/drivers/media/video')
-rw-r--r--linux/drivers/media/video/v4l2-ioctl.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/linux/drivers/media/video/v4l2-ioctl.c b/linux/drivers/media/video/v4l2-ioctl.c
index 40b041402..bc4128d60 100644
--- a/linux/drivers/media/video/v4l2-ioctl.c
+++ b/linux/drivers/media/video/v4l2-ioctl.c
@@ -1480,9 +1480,15 @@ static int __video_do_ioctl(struct file *file,
case VIDIOC_G_CROP:
{
struct v4l2_crop *p = arg;
+ __u32 type;
if (!ops->vidioc_g_crop)
break;
+
+ type = p->type;
+ memset(p, 0, sizeof(*p));
+ p->type = type;
+
dbgarg(cmd, "type=%s\n", prt_names(p->type, v4l2_type_names));
ret = ops->vidioc_g_crop(file, fh, p);
if (!ret)
@@ -1503,10 +1509,16 @@ static int __video_do_ioctl(struct file *file,
case VIDIOC_CROPCAP:
{
struct v4l2_cropcap *p = arg;
+ __u32 type;
/*FIXME: Should also show v4l2_fract pixelaspect */
if (!ops->vidioc_cropcap)
break;
+
+ type = p->type;
+ memset(p, 0, sizeof(*p));
+ p->type = type;
+
dbgarg(cmd, "type=%s\n", prt_names(p->type, v4l2_type_names));
ret = ops->vidioc_cropcap(file, fh, p);
if (!ret) {
@@ -1521,6 +1533,9 @@ static int __video_do_ioctl(struct file *file,
if (!ops->vidioc_g_jpegcomp)
break;
+
+ memset(p, 0, sizeof(*p));
+
ret = ops->vidioc_g_jpegcomp(file, fh, p);
if (!ret)
dbgarg(cmd, "quality=%d, APPn=%d, "