libgfapi: Gracefully exit when glfd is invalid

When glfs_* methods operating on glfd are invoked after calling
glfs_close(), the program segfaults inside __GLFS_ENTRY_VALIDATE_FD
trying to deference glfd->fd->inode which is invalid.

Also, returning EBADF seemed more specific than EINVAL.

BUG: 1221008
Change-Id: I13a92dca52da9a300252b69e026581b3a9e931fd
Signed-off-by: Prashanth Pai <ppai@redhat.com>
Reviewed-on: http://review.gluster.org/10759
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Shyamsundar Ranganathan <srangana@redhat.com>

0 files changed, 0 insertions, 0 deletions