xfs: add missing rmap error return
authorDarrick J. Wong <darrick.wong@oracle.com>
Fri, 4 May 2018 22:31:21 +0000 (15:31 -0700)
committerDarrick J. Wong <darrick.wong@oracle.com>
Thu, 10 May 2018 15:56:41 +0000 (08:56 -0700)
commit52101dfe56f71d8cb140c2440d95affa25a53746
treeccdc6d5c1ce39b27e6773c62bc16ca38984eea30
parentcec572561a748396c783c1ea91a289816d3c4f18
xfs: add missing rmap error return

xfs_rmap_lookup_le_range can return errors, so we need to check for
them and bail out.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
fs/xfs/libxfs/xfs_rmap.c