From mboxrd@z Thu Jan 1 00:00:00 1970 X-GM-THRID: 6249238680974655488 X-Received: by 10.194.204.194 with SMTP id la2mr3817191wjc.7.1455014264556; Tue, 09 Feb 2016 02:37:44 -0800 (PST) X-BeenThere: outreachy-kernel@googlegroups.com Received: by 10.25.15.170 with SMTP id 42ls788647lfp.35.gmail; Tue, 09 Feb 2016 02:37:43 -0800 (PST) X-Received: by 10.25.154.129 with SMTP id c123mr3902171lfe.1.1455014263875; Tue, 09 Feb 2016 02:37:43 -0800 (PST) Return-Path: Received: from mail-wm0-x22e.google.com (mail-wm0-x22e.google.com. [2a00:1450:400c:c09::22e]) by gmr-mx.google.com with ESMTPS id 5si641477wmm.2.2016.02.09.02.37.43 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 09 Feb 2016 02:37:43 -0800 (PST) Received-SPF: pass (google.com: domain of hamohammed.sa@gmail.com designates 2a00:1450:400c:c09::22e as permitted sender) client-ip=2a00:1450:400c:c09::22e; Authentication-Results: gmr-mx.google.com; spf=pass (google.com: domain of hamohammed.sa@gmail.com designates 2a00:1450:400c:c09::22e as permitted sender) smtp.mailfrom=hamohammed.sa@gmail.com; dkim=pass header.i=@gmail.com; dmarc=pass (p=NONE dis=NONE) header.from=gmail.com Received: by mail-wm0-x22e.google.com with SMTP id c200so53885613wme.0 for ; Tue, 09 Feb 2016 02:37:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=date:from:to:subject:message-id:mime-version:content-type :content-disposition:user-agent; bh=AK2WNDjbx5+Zgen5WyG5AVBGjSiFpD7t+K4tkFwCXZ8=; b=O+py0ASe+mFDwAUh8lTfVQVfDCl0zqUHvmQU195sve363uan3IEOG2R5TMJ+GokXT5 nDZZ8P8p4uoZYWc3xIGrffDffVOhbaA2j3th/jKpwPyPOj+vEBQt892e5bwTmGwWMSjf L401LzVK/hLCcTWMwUpY7hbcPsgMkQ0iNmOOqoAlbvGHmeNIINkIKgYJ5CMKI0hqmBQM 1ukTkZoEEKflM4Vn49pqSS1ELB093vwgIKuUqSxY0W0RemwuSVx/iEXovHOOVBx4cQLG 25B91VfKIxXbQuTIhqc4gNIEoPzVokCw4i/Qq+cSYzEs804JlJiJedTZ/F8kRFV+Vc9f IvjA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:date:from:to:subject:message-id:mime-version :content-type:content-disposition:user-agent; bh=AK2WNDjbx5+Zgen5WyG5AVBGjSiFpD7t+K4tkFwCXZ8=; b=l0U3W3p0BQLGqWbWjL3dpHekI6ZSal/Pplw/MUe2+X9K9a3cer6+64nxlbCvhSjsAM P+CZ+19qIYwMFGFHnU7CHjN7+FBgYWQ7RdNQ9I0+k5UyjnND1Rn1w5CymVC88tzX+cvk FdSkVAIs1KvaHArvd8rgCRum94M0o+eS4mTI5K7iqm4YNmBO7JJNaatkVEIr/PL8cadn 33rgbk3kkYO3Mp2k3nyis3qej+X7oxNNdmRNr9srG6onTJ6F6DQ4w97v+THevHOhsk/O zYc8Tfx8Sn0FJmCZzFNNzF1ln7wnudRhfwJUkFfxgKSZ45M1p7b9KhK/z7pek8yyGTaD KHjw== X-Gm-Message-State: AG10YORNvd02xLWf/5CjGDJeJ0HQsrUG9aruGHuVMgU97o40GM1uPNWcwtOPrCqDuGTRKQ== X-Received: by 10.194.172.97 with SMTP id bb1mr36605052wjc.173.1455014263754; Tue, 09 Feb 2016 02:37:43 -0800 (PST) Return-Path: Received: from haneenVB ([109.171.130.235]) by smtp.gmail.com with ESMTPSA id v78sm16757224wmv.23.2016.02.09.02.37.42 for (version=TLS1_2 cipher=AES128-SHA bits=128/128); Tue, 09 Feb 2016 02:37:42 -0800 (PST) Date: Tue, 9 Feb 2016 13:35:40 +0300 From: Haneen Mohammed To: outreachy-kernel@googlegroups.com Subject: [PATCH] Staging: rts5208: fix check for dma mapping error Message-ID: <20160209103540.GA27735@haneenVB> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) use dma_mapping_error() instead of comparing the returned address with zero after dma_map_single(). Signed-off-by: Haneen Mohammed --- drivers/staging/rts5208/rtsx_transport.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/rts5208/rtsx_transport.c b/drivers/staging/rts5208/rtsx_transport.c index f27491e..0c9549b 100644 --- a/drivers/staging/rts5208/rtsx_transport.c +++ b/drivers/staging/rts5208/rtsx_transport.c @@ -653,7 +653,7 @@ static int rtsx_transfer_buf(struct rtsx_chip *chip, u8 card, void *buf, return -ENXIO; addr = dma_map_single(&(rtsx->pci->dev), buf, len, dma_dir); - if (!addr) + if (dma_mapping_error(&rtsx->pci->dev, addr)) return -ENOMEM; if (card == SD_CARD) -- 1.9.1