From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_2 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1A647C433DF for ; Wed, 3 Jun 2020 14:05:34 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C46D320679 for ; Wed, 3 Jun 2020 14:05:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C46D320679 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bootlin.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 49cVzt4gMNzDqbg for ; Thu, 4 Jun 2020 00:05:30 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=bootlin.com (client-ip=217.70.183.193; helo=relay1-d.mail.gandi.net; envelope-from=miquel.raynal@bootlin.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=bootlin.com Received: from relay1-d.mail.gandi.net (relay1-d.mail.gandi.net [217.70.183.193]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 49cVmY3r6XzDqRL for ; Wed, 3 Jun 2020 23:55:40 +1000 (AEST) X-Originating-IP: 91.224.148.103 Received: from xps13 (unknown [91.224.148.103]) (Authenticated sender: miquel.raynal@bootlin.com) by relay1-d.mail.gandi.net (Postfix) with ESMTPSA id 7ACAF24000D; Wed, 3 Jun 2020 13:55:32 +0000 (UTC) Date: Wed, 3 Jun 2020 15:55:31 +0200 From: Miquel Raynal To: Boris Brezillon Subject: Re: [PATCH 04/10] mtd: rawnand: fsl_upm: Use devm_kasprintf() to allocate the MTD name Message-ID: <20200603155531.1b43ddb7@xps13> In-Reply-To: <20200603134922.1352340-5-boris.brezillon@collabora.com> References: <20200603134922.1352340-1-boris.brezillon@collabora.com> <20200603134922.1352340-5-boris.brezillon@collabora.com> Organization: Bootlin X-Mailer: Claws Mail 3.17.4 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Vignesh Raghavendra , Tudor Ambarus , Anton Vorontsov , Richard Weinberger , linux-mtd@lists.infradead.org, Paul Mackerras , linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Boris Brezillon wrote on Wed, 3 Jun 2020 15:49:16 +0200: > This simplifies the init() error path and the remove() handler. > > Signed-off-by: Boris Brezillon > --- > drivers/mtd/nand/raw/fsl_upm.c | 8 +++----- > 1 file changed, 3 insertions(+), 5 deletions(-) > > diff --git a/drivers/mtd/nand/raw/fsl_upm.c b/drivers/mtd/nand/raw/fsl_upm.c > index 9cf79c62ef22..a3e3a968891d 100644 > --- a/drivers/mtd/nand/raw/fsl_upm.c > +++ b/drivers/mtd/nand/raw/fsl_upm.c > @@ -176,8 +176,9 @@ static int fun_chip_init(struct fsl_upm_nand *fun, > return -ENODEV; > > nand_set_flash_node(&fun->chip, flash_np); > - mtd->name = kasprintf(GFP_KERNEL, "0x%llx.%pOFn", (u64)io_res->start, > - flash_np); > + mtd->name = devm_kasprintf(fun->dev, GFP_KERNEL, "0x%llx.%pOFn", > + (u64)io_res->start, > + flash_np); Shouldn't we check if mtd->name was not already set by nand_set_flash_node() first? From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_2 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 21C8EC433DF for ; Wed, 3 Jun 2020 13:55:49 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id DC945206A2 for ; Wed, 3 Jun 2020 13:55:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="q4lYRf3K" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DC945206A2 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bootlin.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=UEQbPnHu1Jj6G1HEvYBEac29bV2KUJQyJd4SZoEWi/4=; b=q4lYRf3K+y/Ofe GIud9TVPVotclOrBuEtFOCoo5tcBvBrX5CT8IggFiH8cUL1ha4HuiFgONg9iu9cpRN948f18Ft6H9 wdI6FXZXB+Oe1PzZBtP9GplsDMjX3yMlg7QYkJ0lyKIZq3TGT0UKn7iWp/RUCHyCuzJ8Pu655Q0BE ZZvQniGlJ4m+os8TXozae9wnIxCWTHupKGopIWdIPPyyj1BBiZE5T/nAtkhI0lKSMDNmeyXRGGyZ9 JtJIeQLvQhofRhv7UOLHeZYLr8rdqnoHK2onp64NPhnl9hIDYHmeGSfjz214EUtCoDOztjsOBzO9H Qp/k2+/tKB1GiZOPXFUQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jgTrp-0003A3-Fu; Wed, 03 Jun 2020 13:55:41 +0000 Received: from relay1-d.mail.gandi.net ([217.70.183.193]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jgTrn-000399-30 for linux-mtd@lists.infradead.org; Wed, 03 Jun 2020 13:55:40 +0000 X-Originating-IP: 91.224.148.103 Received: from xps13 (unknown [91.224.148.103]) (Authenticated sender: miquel.raynal@bootlin.com) by relay1-d.mail.gandi.net (Postfix) with ESMTPSA id 7ACAF24000D; Wed, 3 Jun 2020 13:55:32 +0000 (UTC) Date: Wed, 3 Jun 2020 15:55:31 +0200 From: Miquel Raynal To: Boris Brezillon Subject: Re: [PATCH 04/10] mtd: rawnand: fsl_upm: Use devm_kasprintf() to allocate the MTD name Message-ID: <20200603155531.1b43ddb7@xps13> In-Reply-To: <20200603134922.1352340-5-boris.brezillon@collabora.com> References: <20200603134922.1352340-1-boris.brezillon@collabora.com> <20200603134922.1352340-5-boris.brezillon@collabora.com> Organization: Bootlin X-Mailer: Claws Mail 3.17.4 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200603_065539_261966_7AC6840B X-CRM114-Status: GOOD ( 12.83 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Vignesh Raghavendra , Tudor Ambarus , Michael Ellerman , Anton Vorontsov , Richard Weinberger , linux-mtd@lists.infradead.org, Benjamin Herrenschmidt , Paul Mackerras , linuxppc-dev@lists.ozlabs.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org Boris Brezillon wrote on Wed, 3 Jun 2020 15:49:16 +0200: > This simplifies the init() error path and the remove() handler. > > Signed-off-by: Boris Brezillon > --- > drivers/mtd/nand/raw/fsl_upm.c | 8 +++----- > 1 file changed, 3 insertions(+), 5 deletions(-) > > diff --git a/drivers/mtd/nand/raw/fsl_upm.c b/drivers/mtd/nand/raw/fsl_upm.c > index 9cf79c62ef22..a3e3a968891d 100644 > --- a/drivers/mtd/nand/raw/fsl_upm.c > +++ b/drivers/mtd/nand/raw/fsl_upm.c > @@ -176,8 +176,9 @@ static int fun_chip_init(struct fsl_upm_nand *fun, > return -ENODEV; > > nand_set_flash_node(&fun->chip, flash_np); > - mtd->name = kasprintf(GFP_KERNEL, "0x%llx.%pOFn", (u64)io_res->start, > - flash_np); > + mtd->name = devm_kasprintf(fun->dev, GFP_KERNEL, "0x%llx.%pOFn", > + (u64)io_res->start, > + flash_np); Shouldn't we check if mtd->name was not already set by nand_set_flash_node() first? 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