From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pg0-x241.google.com ([2607:f8b0:400e:c05::241]) by bombadil.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux)) id 1cCHBS-0005z3-Dw for linux-mtd@lists.infradead.org; Thu, 01 Dec 2016 02:33:15 +0000 Received: by mail-pg0-x241.google.com with SMTP id p66so3035133pga.2 for ; Wed, 30 Nov 2016 18:32:54 -0800 (PST) Date: Wed, 30 Nov 2016 18:32:50 -0800 From: Brian Norris To: Marek Vasut Cc: Luis Henriques , David Woodhouse , Boris Brezillon , Richard Weinberger , Cyrille Pitchen , linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] mtd: maps: add missing iounmap() in error path Message-ID: <20161201023250.GL77253@google.com> References: <20161122192124.GF77253@google.com> <20161123234036.9985-1-henrix@camandro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Fri, Nov 25, 2016 at 03:18:09PM +0100, Marek Vasut wrote: > On 11/24/2016 12:40 AM, Luis Henriques wrote: > > This patch was triggered by the following Coccinelle error: > > > > ./drivers/mtd/maps/sc520cdp.c:246:3-9: \ > > ERROR: missing iounmap; ioremap on line 242 \ > > and execution via conditional on line 244 > > > > Since do_map_probe() is also invoked in this loop, it is also necessary to > > map_destroy() any initialised struct mtd_info. > > > > Signed-off-by: Luis Henriques > > --- > > Changes since v1: > > * Changes according to Brian Norris review: > > - Ensure sc520cdp_map[0].virt is unmaped when needed > > - Use a for loop instead of an 'if (i)' > > - Prevent double-iounmap > > * Added map_destroy() in the cleanup > > > > drivers/mtd/maps/sc520cdp.c | 8 +++++++- > > 1 file changed, 7 insertions(+), 1 deletion(-) ... > Reviewed-by: Marek Vasut Applied to l2-mtd.git