[XFS] Catch log unmount failures.

Unmounting the log can fail. unlikely, but it can. Catch all the error
conditions an make sure it's propagated upwards.

SGI-PV: 980084
SGI-Modid: xfs-linux-melb:xfs-kern:30833a

Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Niv Sardi <xaiki@sgi.com>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index e29ea0a6d767..afaee301b0ee 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -697,7 +697,7 @@ xfs_log_unmount_write(xfs_mount_t *mp)
                 atomic_inc(&iclog->ic_refcnt);
                 spin_unlock(&log->l_icloglock);
                 xlog_state_want_sync(log, iclog);
-                (void) xlog_state_release_iclog(log, iclog);
+                error = xlog_state_release_iclog(log, iclog);
 
                 spin_lock(&log->l_icloglock);
                 if (!(iclog->ic_state == XLOG_STATE_ACTIVE ||
@@ -736,7 +736,7 @@ xfs_log_unmount_write(xfs_mount_t *mp)
                 spin_unlock(&log->l_icloglock);
 
                 xlog_state_want_sync(log, iclog);
-                (void) xlog_state_release_iclog(log, iclog);
+                error =  xlog_state_release_iclog(log, iclog);
 
                 spin_lock(&log->l_icloglock);
 
@@ -751,7 +751,7 @@ xfs_log_unmount_write(xfs_mount_t *mp)
                 }
         }
 
-        return 0;
+        return error;
 }       /* xfs_log_unmount_write */
 
 /*