commit 6cc4b6e801c725321e9f63ca7c2d00af8df24699
author Bob Peterson <rpeterso@redhat.com> Fri Dec 04 13:04:34 2015 -0600
committer Bob Peterson <rpeterso@redhat.com> Fri Dec 18 11:04:46 2015 -0600
tree 9753131b4c37ac330f5398a82fc46a6ac537c95e
parent 5ea31bc0a6524b4fee8dc9ae8005d4a114a79812

GFS2: Don't do glock put on when inode creation fails

Currently the error path of function gfs2_inode_lookup calls function
gfs2_glock_put corresponding to an earlier call to gfs2_glock_get for
the inode glock. That's wrong because the error path also calls
iget_failed() which eventually calls iput, which eventually calls
gfs2_evict_inode, which does another gfs2_glock_put. This double-put
can cause the glock reference count to get off.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>