From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from NAM01-BY2-obe.outbound.protection.outlook.com (mail-by2nam01on0041.outbound.protection.outlook.com [104.47.34.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3tJn481SWZzDvTQ for ; Thu, 17 Nov 2016 01:40:40 +1100 (AEDT) From: Claudiu Manoil To: CC: Scott Wood , , Madalin Bucur Subject: [PATCH 01/17] soc/qman: Check ioremap return value Date: Wed, 16 Nov 2016 16:40:14 +0200 Message-ID: <1479307230-16650-2-git-send-email-claudiu.manoil@nxp.com> In-Reply-To: <1479307230-16650-1-git-send-email-claudiu.manoil@nxp.com> References: <1479307230-16650-1-git-send-email-claudiu.manoil@nxp.com> MIME-Version: 1.0 Content-Type: text/plain List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Madalin Bucur Signed-off-by: Madalin Bucur Signed-off-by: Claudiu Manoil --- drivers/soc/fsl/qbman/qman_ccsr.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/soc/fsl/qbman/qman_ccsr.c b/drivers/soc/fsl/qbman/qman_ccsr.c index 0cace9e..f4e6e70 100644 --- a/drivers/soc/fsl/qbman/qman_ccsr.c +++ b/drivers/soc/fsl/qbman/qman_ccsr.c @@ -444,6 +444,9 @@ static int zero_priv_mem(struct device *dev, struct device_node *node, /* map as cacheable, non-guarded */ void __iomem *tmpp = ioremap_prot(addr, sz, 0); + if (!tmpp) + return -ENOMEM; + memset_io(tmpp, 0, sz); flush_dcache_range((unsigned long)tmpp, (unsigned long)tmpp + sz); -- 1.7.11.7