[media] v4l2-ioctl: log buffer type 0 correctly

If userspace passed the invalid buffer type 0 to the kernel, then the
kernel log would show 'type=(null)' since there was no string defined
for type 0. Fix this.

Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>

diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index bbeb9ffd5e92c2101bde5e9a7f65ed33a037180b..85de4557f6961e3a9c36015b69534687d13cfbc0 100644 (file)
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -142,6 +142,7 @@ const char *v4l2_field_names[] = {
 EXPORT_SYMBOL(v4l2_field_names);
 
 const char *v4l2_type_names[] = {
+       [0]                                = "0",
        [V4L2_BUF_TYPE_VIDEO_CAPTURE]      = "vid-cap",
        [V4L2_BUF_TYPE_VIDEO_OVERLAY]      = "vid-overlay",
        [V4L2_BUF_TYPE_VIDEO_OUTPUT]       = "vid-out",