V4L/DVB (9579): v4l core: a few get ioctls were lacking memory clean
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/v4l2-ioctl.c b/drivers/media/video/v4l2-ioctl.c
index 213c4dd..98a0bf2 100644
--- a/drivers/media/video/v4l2-ioctl.c
+++ b/drivers/media/video/v4l2-ioctl.c
@@ -1479,9 +1479,15 @@
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)
@@ -1502,10 +1508,16 @@
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) {
@@ -1520,6 +1532,9 @@
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, "