libv4lconvert: Gracefully handle unknown SE401 destination formats

Detected by Coverity.

Signed-off-by: Gregor Jasny <gjasny@googlemail.com>
CC: Hans de Goede <hdegoede@redhat.com>

diff --git a/lib/libv4lconvert/libv4lconvert.c b/lib/libv4lconvert/libv4lconvert.c
index 4e1be69..c49d30d 100644 (file)
--- a/lib/libv4lconvert/libv4lconvert.c
+++ b/lib/libv4lconvert/libv4lconvert.c
@@ -974,6 +974,10 @@ static int v4lconvert_convert_pixfmt(struct v4lconvert_data *data,
                        fmt->fmt.pix.pixelformat = V4L2_PIX_FMT_RGB24;
                        v4lconvert_fixup_fmt(fmt);
                        break;
+               default:
+                       V4LCONVERT_ERR("Unknown destination format in conversion\n");
+                       errno = EINVAL;
+                       return -1;
                }
 
                result = v4lconvert_se401_to_rgb24(data, src, src_size, d,