linux-kernel - [PATCH] jffs2: fix memory leak if the sector was successfully erased

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Message-ID: <a9e22dff1002220840x7e86a1a0i3d44cefc1c6a79c0@mail.gmail.com>
Date:	Mon, 22 Feb 2010 18:40:11 +0200
From:	niam <niam.niam@...il.com>
To:	David Woodhouse <dwmw2@...radead.org>,
	Joe Perches <joe@...ches.com>,
	Joakim Tjernlund <Joakim.Tjernlund@...nsmode.se>,
	linux-mtd@...ts.infradead.org
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH] jffs2: fix memory leak if the sector was successfully erased

Resending patch to proper people/mailing list.

Memory allocated for erase instruction is not freed if the sector was
successfully erased.

Signed-off-by: Dmytro Milinevskyy <niam.niam@...il.com>
---
 fs/jffs2/erase.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/fs/jffs2/erase.c b/fs/jffs2/erase.c
index b47679b..c0a5604 100644
--- a/fs/jffs2/erase.c
+++ b/fs/jffs2/erase.c
@@ -74,8 +74,10 @@ static void jffs2_erase_block(struct jffs2_sb_info *c,
       ((struct erase_priv_struct *)instr->priv)->c = c;

       ret = c->mtd->erase(c->mtd, instr);
-       if (!ret)
+       if (!ret) {
+        kfree(instr);
               return;
+    }

       bad_offset = instr->fail_addr;
       kfree(instr);
--
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