libv4lconvert.c: fix memset bug discovered by v4l2-compliance.

The size of the reserved array is 4 * sizeof(u32) = 16. So only the first
element is now zeroed. Use sizeof(reserved) instead.

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

diff --git a/lib/libv4lconvert/libv4lconvert.c b/lib/libv4lconvert/libv4lconvert.c
index 6935e65..a15f234 100644 (file)
--- a/lib/libv4lconvert/libv4lconvert.c
+++ b/lib/libv4lconvert/libv4lconvert.c
@@ -247,7 +247,7 @@ int v4lconvert_enum_fmt(struct v4lconvert_data *data, struct v4l2_fmtdesc *fmt)
        fmt->description[2] = (faked_fmts[i] >> 16) & 0xff;
        fmt->description[3] = faked_fmts[i] >> 24;
        fmt->description[4] = '\0';
-       memset(fmt->reserved, 0, 4);
+       memset(fmt->reserved, 0, sizeof(fmt->reserved));
 
        return 0;
 }