From: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Date: Mon, 18 Jan 2010 14:43:44 +0000 (+0200)
Subject: UBI: fix memory leak in update path
X-Git-Tag: v3.0~6144^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ebddd63b74dcf1cb676d14328d5852f1fee19a8a;p=platform%2Fkernel%2Flinux-amlogic.git

UBI: fix memory leak in update path

When truncating an UBI volume, UBI should allocates a PEB-sized
buffer but does not release it, which leads to memory leaks.
This patch fixes the issue.

Reported-by: Marek Skuczynski <mareksk7@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Tested-by: Marek Skuczynski <mareksk7@gmail.com>
Cc: stable@kernel.org
---

diff --git a/drivers/mtd/ubi/upd.c b/drivers/mtd/ubi/upd.c
index c1d7b88..425bf5a 100644
--- a/drivers/mtd/ubi/upd.c
+++ b/drivers/mtd/ubi/upd.c
@@ -155,6 +155,7 @@ int ubi_start_update(struct ubi_device *ubi, struct ubi_volume *vol,
 		if (err)
 			return err;
 		vol->updating = 0;
+		return 0;
 	}
 
 	vol->upd_buf = vmalloc(ubi->leb_size);