jbd: Check return value of blkdev_issue_flush()

blkdev_issue_flush() can fail. Make sure the error gets properly propagated.

Signed-off-by: Jan Kara <jack@suse.cz>

1 files changed, 5 insertions, 2 deletions

diff --git a/fs/jbd/recovery.c b/fs/jbd/recovery.c
index 008bf062fd26..a748fe21465a 100644
--- a/fs/jbd/recovery.c
+++ b/fs/jbd/recovery.c
@@ -265,8 +265,11 @@ int journal_recover(journal_t *journal)
         if (!err)
                 err = err2;
         /* Flush disk caches to get replayed data on the permanent storage */
-        if (journal->j_flags & JFS_BARRIER)
-                blkdev_issue_flush(journal->j_fs_dev, GFP_KERNEL, NULL);
+        if (journal->j_flags & JFS_BARRIER) {
+                err2 = blkdev_issue_flush(journal->j_fs_dev, GFP_KERNEL, NULL);
+                if (!err)
+                        err = err2;
+        }
 
         return err;
 }