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

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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>
This commit is contained in:
Bob Peterson 2015-12-04 13:04:34 -06:00
parent 5ea31bc0a6
commit 6cc4b6e801
1 changed files with 0 additions and 1 deletions
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fs/gfs2/inode.c
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@ -198,7 +198,6 @@ fail_iopen:
gfs2_glock_put(io_gl);
fail_put:
ip->i_gl->gl_object = NULL;
gfs2_glock_put(ip->i_gl);
fail:
iget_failed(inode);
return ERR_PTR(error);