From patchwork Fri Sep 21 19:57:37 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nathan Chancellor X-Patchwork-Id: 10610897 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 433E314DA for ; Fri, 21 Sep 2018 20:03:45 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 322622CC43 for ; Fri, 21 Sep 2018 20:03:45 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 248522DDFE; Fri, 21 Sep 2018 20:03:45 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C08E42CC43 for ; Fri, 21 Sep 2018 20:03:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2391243AbeIVByJ (ORCPT ); Fri, 21 Sep 2018 21:54:09 -0400 Received: from mail-wr1-f67.google.com ([209.85.221.67]:44896 "EHLO mail-wr1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2391089AbeIVByI (ORCPT ); Fri, 21 Sep 2018 21:54:08 -0400 Received: by mail-wr1-f67.google.com with SMTP id v16-v6so13941033wro.11; Fri, 21 Sep 2018 13:03:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=3YW34xB6QhhNdcA+S9Z/6kjLx1NyQmg3AOL8sBhSXm4=; b=cOuOlsvmtSB5jpywS1e7AjPXTNNXsloNPexvABETr1D5LbznjIq5e4G+2PvmmJcMCU x0Nb4iVhB9t20nuFWaHzhJ+hdSBIunivxXV4YTSw2Z+u7zUmEtt0jJV6lMLKXzq3EaL7 5XDhKoyFTXOUaKEYWqcGgCdVhSEV/zWRFxvt6XoayiNND0DNG7+ofM7tNDsX3mUUGqEu YngSD95Dg/9wstmI3+Lqh5fAmqYDZ9ErJYz3oFYeCEssNzODJLE0HVIlhsQXMiEpDDOo /pyLgwI8AvqVpvJfutLmN/1npbdRjhyIz0IWCrPVOh5pfcGrFad9Un3fJu1RpDio/4cu SpQw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=3YW34xB6QhhNdcA+S9Z/6kjLx1NyQmg3AOL8sBhSXm4=; b=nuWcbpRgk7hbOcI4as32sLE6w2JwVlGpuEV+vOAHD/+AFPb75TuIkda31AIPx8wv8d hXE9YNSTxAFkHtT+msgJcW4cjaOuxVRFa7NWJBmlFqOhoNmH/UbdNTm5H7vCFx9Vr29J BHysKbwJhmuW8XXAf+jHcMTb8Fp8nG54RDTuyPyRxhkaw+VqSTgI8jSD5P10y46pDJGz aCI903HooIcRfCRzvkg2gQljEW97+2klneoVqku1/B2StTER1bxkQIjtS6cN0WXwK/3g U0w89psgmneR+NU9y3LLXUq0HEQ7KAL0gDmz3lbiSvRalKmtdB2bVrdf/EIhW2Gu33jv JNPA== X-Gm-Message-State: APzg51A59K/gmyttHUbndRRNO3CfmQ++sZE9kr62MCapbxS2zMYJieJQ l08QLzRJ0k7hxER1rlB4D0lzc39d0C5cxw== X-Google-Smtp-Source: ANB0Vdb1wkdQsqH0esNz6rcr6+HwXCtX1J0atIvoJaDcb0WA++0e9/FBLtq52iZzUYd7sjKV2Q8/rQ== X-Received: by 2002:a5d:4849:: with SMTP id n9-v6mr20203053wrs.234.1537560221793; Fri, 21 Sep 2018 13:03:41 -0700 (PDT) Received: from localhost.localdomain ([2a01:4f8:10b:24a5::2]) by smtp.gmail.com with ESMTPSA id s2-v6sm33425817wrn.83.2018.09.21.13.03.40 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 21 Sep 2018 13:03:41 -0700 (PDT) From: Nathan Chancellor To: Andy Walls , Mauro Carvalho Chehab Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, Nick Desaulniers , Nathan Chancellor Subject: [PATCH] media: cx18: Don't check for address of video_dev Date: Fri, 21 Sep 2018 12:57:37 -0700 Message-Id: <20180921195736.7977-1-natechancellor@gmail.com> X-Mailer: git-send-email 2.19.0 MIME-Version: 1.0 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Clang warns that the address of a pointer will always evaluated as true in a boolean context. drivers/media/pci/cx18/cx18-driver.c:1255:23: warning: address of 'cx->streams[i].video_dev' will always evaluate to 'true' [-Wpointer-bool-conversion] if (&cx->streams[i].video_dev) ~~ ~~~~~~~~~~~~~~~^~~~~~~~~ 1 warning generated. Presumably, the contents of video_dev should have been checked, not the address. This check has been present since 2009, introduced by commit 21a278b85d3c ("V4L/DVB (11619): cx18: Simplify the work handler for outgoing mailbox commands") Reported-by: Nick Desaulniers Signed-off-by: Nathan Chancellor --- Alternatively, this if statement could just be removed since it has evaluated to true since 2009 and I assume some issue with this would have been discovered by now. drivers/media/pci/cx18/cx18-driver.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/pci/cx18/cx18-driver.c b/drivers/media/pci/cx18/cx18-driver.c index 56763c4ea1a7..753a37c7100a 100644 --- a/drivers/media/pci/cx18/cx18-driver.c +++ b/drivers/media/pci/cx18/cx18-driver.c @@ -1252,7 +1252,7 @@ static void cx18_cancel_out_work_orders(struct cx18 *cx) { int i; for (i = 0; i < CX18_MAX_STREAMS; i++) - if (&cx->streams[i].video_dev) + if (cx->streams[i].video_dev) cancel_work_sync(&cx->streams[i].out_work_order); }