From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pz0-f49.google.com ([209.85.210.49]) by canuck.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1Qbo7h-0004X4-SQ for linux-mtd@lists.infradead.org; Wed, 29 Jun 2011 06:19:42 +0000 Received: by pzk28 with SMTP id 28so708867pzk.36 for ; Tue, 28 Jun 2011 23:19:39 -0700 (PDT) Subject: Re: [PATCH 1/2] mtd/nand : don't free the global data fsl_lbc_ctrl_dev->nand in fsl_elbc_chip_remove() From: Artem Bityutskiy To: b35362@freescale.com Date: Wed, 29 Jun 2011 09:20:25 +0300 In-Reply-To: <1309225852-1664-1-git-send-email-b35362@freescale.com> References: <1309225852-1664-1-git-send-email-b35362@freescale.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Message-ID: <1309328435.23597.104.camel@sauron> Mime-Version: 1.0 Cc: linuxppc-dev@ozlabs.org, dwmw2@infradead.org, linux-mtd@lists.infradead.org Reply-To: dedekind1@gmail.com List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Tue, 2011-06-28 at 09:50 +0800, b35362@freescale.com wrote: > From: Liu Shuo > > The global data fsl_lbc_ctrl_dev->nand don't have to be freed in > fsl_elbc_chip_remove(). The right place to do that is in fsl_elbc_nand_remove() > if elbc_fcm_ctrl->counter is zero. > > Signed-off-by: Liu Shuo > --- > drivers/mtd/nand/fsl_elbc_nand.c | 1 - > 1 files changed, 0 insertions(+), 1 deletions(-) > > diff --git a/drivers/mtd/nand/fsl_elbc_nand.c b/drivers/mtd/nand/fsl_elbc_nand.c > index 0bb254c..a212116 100644 > --- a/drivers/mtd/nand/fsl_elbc_nand.c > +++ b/drivers/mtd/nand/fsl_elbc_nand.c > @@ -829,7 +829,6 @@ static int fsl_elbc_chip_remove(struct fsl_elbc_mtd *priv) > > elbc_fcm_ctrl->chips[priv->bank] = NULL; > kfree(priv); > - kfree(elbc_fcm_ctrl); > return 0; > } Do we have to assign fsl_lbc_ctrl_dev->nand to NULL in fsl_elbc_nand_remove() then? I think that assignment can be killed then. if (!elbc_fcm_ctrl->counter) { fsl_lbc_ctrl_dev->nand = NULL; kfree(elbc_fcm_ctrl); } -- Best Regards, Artem Bityutskiy