btrfs: raid56: properly unmap parity page in finish_parity_scrub()

[sfrench/cifs-2.6.git] / fs / btrfs / raid56.c

diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c
index e74455eb42f9b09bdc6031098143fac7ec8650d0..6976e22807713f40ce4b21e0d7bc6beea04c58e6 100644 (file)
--- a/fs/btrfs/raid56.c
+++ b/fs/btrfs/raid56.c
@@ -2429,8 +2429,9 @@ static noinline void finish_parity_scrub(struct btrfs_raid_bio *rbio,
                        bitmap_clear(rbio->dbitmap, pagenr, 1);
                kunmap(p);
 
-               for (stripe = 0; stripe < rbio->real_stripes; stripe++)
+               for (stripe = 0; stripe < nr_data; stripe++)
                        kunmap(page_in_rbio(rbio, stripe, pagenr, 0));
+               kunmap(p_page);
        }
 
        __free_page(p_page);