Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752694AbdFOUnb (ORCPT ); Thu, 15 Jun 2017 16:43:31 -0400 Received: from gateway36.websitewelcome.com ([192.185.194.2]:30542 "EHLO gateway36.websitewelcome.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751016AbdFOUn2 (ORCPT ); Thu, 15 Jun 2017 16:43:28 -0400 Date: Thu, 15 Jun 2017 15:42:44 -0500 From: "Gustavo A. R. Silva" To: Antti Palosaari , Mauro Carvalho Chehab Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, "Gustavo A. R. Silva" Subject: [PATCH] af9013: add check on af9013_wr_regs() return value Message-ID: <20170615204244.GA9150@embeddedgus> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.23 (2014-03-12) X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - gator4166.hostgator.com X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - embeddedor.com X-BWhitelist: no X-Source-IP: 189.152.192.143 X-Exim-ID: 1dLbbK-002iA7-1p X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: (embeddedgus) [189.152.192.143]:47664 X-Source-Auth: garsilva@embeddedor.com X-Email-Count: 9 X-Source-Cap: Z3V6aWRpbmU7Z3V6aWRpbmU7Z2F0b3I0MTY2Lmhvc3RnYXRvci5jb20= Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 725 Lines: 24 Check return value from call to af9013_wr_regs(), so in case of error print debug message and return. Addresses-Coverity-ID: 1227035 Signed-off-by: Gustavo A. R. Silva --- drivers/media/dvb-frontends/af9013.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/media/dvb-frontends/af9013.c b/drivers/media/dvb-frontends/af9013.c index 51f942f..dc7ccda 100644 --- a/drivers/media/dvb-frontends/af9013.c +++ b/drivers/media/dvb-frontends/af9013.c @@ -608,6 +608,8 @@ static int af9013_set_frontend(struct dvb_frontend *fe) ret = af9013_wr_regs(state, 0xae00, coeff_lut[i].val, sizeof(coeff_lut[i].val)); + if (ret) + goto err; } /* program frequency control */ -- 2.5.0