quota: Acquire dqio_sem for reading in dquot_get_next_id()

[sfrench/cifs-2.6.git] / fs / xfs / xfs_qm.c

diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c
index 6ce948c436d5f37029d49c2a1e974a5c75baed37..15751dc2a27df04a4608754ff8250de6ae8bd77f 100644 (file)
--- a/fs/xfs/xfs_qm.c
+++ b/fs/xfs/xfs_qm.c
@@ -111,6 +111,9 @@ restart:
                        skipped = 0;
                        break;
                }
+               /* we're done if id overflows back to zero */
+               if (!next_index)
+                       break;
        }
 
        if (skipped) {