1 files changed, 1 insertions, 1 deletions

diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c
index 70b404d2774b..1e1fe8def375 100644
--- a/fs/gfs2/log.c
+++ b/fs/gfs2/log.c
@@ -650,7 +650,7 @@ static void gfs2_ordered_write(struct gfs2_sbd *sdp)
                 get_bh(bh);
                 gfs2_log_unlock(sdp);
                 lock_buffer(bh);
-                if (test_clear_buffer_dirty(bh)) {
+                if (buffer_mapped(bh) && test_clear_buffer_dirty(bh)) {
                         bh->b_end_io = end_buffer_write_sync;
                         submit_bh(WRITE, bh);
                 } else {