GFS2: Unlock rindex mutex on glock error

This patch fixes an error path in function gfs2_rindex_update
that leaves the rindex mutex held.

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

1 files changed, 2 insertions, 1 deletions

diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index 1446b4e0ac73..e09370eec590 100644
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -699,13 +699,14 @@ int gfs2_rindex_update(struct gfs2_sbd *sdp)
                 if (!gfs2_glock_is_locked_by_me(gl)) {
                         error = gfs2_glock_nq_init(gl, LM_ST_SHARED, 0, &ri_gh);
                         if (error)
-                                return error;
+                                goto out_unlock;
                         unlock_required = 1;
                 }
                 if (!sdp->sd_rindex_uptodate)
                         error = gfs2_ri_update(ip);
                 if (unlock_required)
                         gfs2_glock_dq_uninit(&ri_gh);
+out_unlock:
                 mutex_unlock(&sdp->sd_rindex_mutex);
         }