linux-kernel - Re: [PATCH v2] mtd: rawnand: Fix a memory leak bug

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Message-Id: <20190826125947.15176-1-miquel.raynal@bootlin.com>
Date:   Mon, 26 Aug 2019 14:59:47 +0200
From:   Miquel Raynal <miquel.raynal@...tlin.com>
To:     Wenwen Wang <wenwen@...uga.edu>
Cc:     Miquel Raynal <miquel.raynal@...tlin.com>,
        Kate Stewart <kstewart@...uxfoundation.org>,
        Vignesh Raghavendra <vigneshr@...com>,
        Boris Brezillon <bbrezillon@...nel.org>,
        Richard Weinberger <richard@....at>,
        Randy Dunlap <rdunlap@...radead.org>,
        open list <linux-kernel@...r.kernel.org>,
        Frieder Schrempf <frieder.schrempf@...tron.de>,
        Marek Vasut <marek.vasut@...il.com>,
        "open list:NAND FLASH SUBSYSTEM" <linux-mtd@...ts.infradead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Brian Norris <computersforpeace@...il.com>,
        David Woodhouse <dwmw2@...radead.org>
Subject: Re: [PATCH v2] mtd: rawnand: Fix a memory leak bug

On Mon, 2019-08-19 at 02:46:04 UTC, Wenwen Wang wrote:
> In nand_scan_bbt(), a temporary buffer 'buf' is allocated through
> vmalloc(). However, if check_create() fails, 'buf' is not deallocated,
> leading to a memory leak bug. To fix this issue, free 'buf' before
> returning the error.
> 
> Signed-off-by: Wenwen Wang <wenwen@...uga.edu>

Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next, thanks.

Miquel