tree 07fd39c605fbfd6bb17fe348730d664b11c18fd2
parent ce57bcf6b81caf1e9f780e98e8d23d3555746d74
author Eric Sandeen <sandeen@sandeen.net> 1412205829 +1000
committer Dave Chinner <david@fromorbit.com> 1412205829 +1000

xfs: don't send null bp to xfs_trans_brelse()

In this case, if bp is NULL, error is set, and we send a
NULL bp to xfs_trans_brelse, which will try to dereference it.

Test whether we actually have a buffer before we try to
free it.

Coverity spotted this.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Chinner <david@fromorbit.com>