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gfs2: Always check the result of gfs2_rbm_from_block
authorAndreas Gruenbacher <agruenba@redhat.com>
Mon, 10 Sep 2018 16:31:47 +0000 (17:31 +0100)
committerBob Peterson <rpeterso@redhat.com>
Fri, 12 Oct 2018 12:18:25 +0000 (07:18 -0500)
commitf654683dae0d6c4e02eb7126b14f19fd945c3569
treee83f79c4db82d60f9b708e629a259fbdb937c9bf
parent6ddc5c3ddf256a7a0906732681a337f0452ac67a
gfs2: Always check the result of gfs2_rbm_from_block

When gfs2_rbm_from_block fails, the rbm it returns is undefined, so we
always want to make sure gfs2_rbm_from_block has succeeded before
looking at the rbm.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Reviewed-by: Steven Whitehouse <swhiteho@redhat.com>
fs/gfs2/rgrp.c