libv4l2: valgrind fixes

Initialize reserved fields and a v4l2_format struct.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>

diff --git a/lib/libv4l2/libv4l2.c b/lib/libv4l2/libv4l2.c
index afac406..fe513d7 100644 (file)
--- a/lib/libv4l2/libv4l2.c
+++ b/lib/libv4l2/libv4l2.c
@@ -200,6 +200,7 @@ static int v4l2_map_buffers(int index)
                buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
                buf.memory = V4L2_MEMORY_MMAP;
                buf.index = i;
+               buf.reserved = buf.reserved2 = 0;
                result = devices[index].dev_ops->ioctl(
                                devices[index].dev_ops_priv,
                                devices[index].fd, VIDIOC_QUERYBUF, &buf);
@@ -588,6 +589,7 @@ static int v4l2_buffers_mapped(int index)
                        buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
                        buf.memory = V4L2_MEMORY_MMAP;
                        buf.index = i;
+                       buf.reserved = buf.reserved2 = 0;
                        if (devices[index].dev_ops->ioctl(
                                        devices[index].dev_ops_priv,
                                        devices[index].fd, VIDIOC_QUERYBUF,
@@ -1242,7 +1244,7 @@ no_capture_request:
        case VIDIOC_S_STD:
        case VIDIOC_S_INPUT:
        case VIDIOC_S_DV_TIMINGS: {
-               struct v4l2_format src_fmt;
+               struct v4l2_format src_fmt = { 0 };
 
                result = devices[index].dev_ops->ioctl(
                                devices[index].dev_ops_priv,