[PATCH] UBIFS: fix budget leak in error path

[Artem Bityutskiy]

From: Artem Bityutskiy <artem.bityutskiy at linux.intel.com>

We forgot to free the budget in 'write_begin_slow()' when 'do_readpage()'
fails. This patch fixes the issue.

Suggested-by: Kirill A. Shutemov <kirill.shutemov at linux.intel.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy at linux.intel.com>
---
 fs/ubifs/file.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index b5b593c..538519e 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -262,6 +262,7 @@ static int write_begin_slow(struct address_space *mapping,
 			if (err) {
 				unlock_page(page);
 				page_cache_release(page);
+				ubifs_release_budget(c, &req);
 				return err;
 			}
 		}
-- 
1.9.3