From: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Date: Mon, 20 Oct 2014 14:52:31 +0000 (+0300)
Subject: UBIFS: fix budget leak in error path
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=789c89935cef776ab5e8b8c5120d9c29a88ab40e;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

UBIFS: fix budget leak in error path

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@linux.intel.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
---

diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index b5b593c45270..538519ee37d9 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;
 			}
 		}