gbm: return appropriate error when queryImage() fails

Change gbm_dri_bo_get_fd to check the return value of queryImage and
return -1 (an invalid file descriptor) if an error occurs.

Update the comment for gbm_bo_get_fd to return -1, since (apart from the
above) we've already return -1 on error.

Cc: [email protected]
Signed-off-by: Nicholas Bishop <[email protected]>
Reviewed-by: Eric Engestrom <[email protected]> (v1)
[Emil Velikov: Split from larger patch, polish coding style, cc stable]
Signed-off-by: Emil Velikov <[email protected]>

0 files changed, 0 insertions, 0 deletions