Btrfs: Fix memory leak in writepage fixup work

fixup, which is allocated when starting page write to fix up the
extent without ORDERED bit set, should be freed after this work
is done.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 5f9194438f7c208b88427eaa42c24778300979e6..3a6edc4c564224861485cd9260e024fc17af75d1 100644 (file)
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -1544,6 +1544,7 @@ out:
 out_page:
        unlock_page(page);
        page_cache_release(page);
+       kfree(fixup);
 }
 
 /*