From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 27970C4727F for ; Thu, 1 Oct 2020 11:04:33 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D0B642087D for ; Thu, 1 Oct 2020 11:04:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="gH4j3mK4"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="LsGUqUvX" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D0B642087D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:To:From: Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender :Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=aVAbhZ3A8R/bkICnQ4PJFkEYpU7fx5xRG3bvUC/reUs=; b=gH4j3mK4TTs7TYEu3ms4odlvn2 tiV2bpAjf9g3bhi1SC5s9ZbtGd5kObfkFqQvn2/nOUFlB3SfZFIOdp/YUUNL/F4SouBj7ImSHm+4C +X5uq+F480lCmfXGFtMyzsoIyf/1jqGs+lRSMVvBxmxOChyl9W4TFnxUp0C+7aHqkCydxb9Inv7QG 41zxhAhKHKiSwP7b9Mf9+2QYpxCIgi3ONh/JuAJR+Mt1bPkGuGn8qrbuZjgXVNvMR5XWCTifU78fp qXvd13jKqiVEfK9HtaROuXT7ZtAz0vpSTHprq2h3N3CBLv2bw2nLoTGPaJ7VM12TYnFsURMoA5Mrq ix56aZdQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kNwMt-00019t-4U; Thu, 01 Oct 2020 11:03:23 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kNwMq-00018w-Dq for linux-arm-kernel@lists.infradead.org; Thu, 01 Oct 2020 11:03:21 +0000 Received: from localhost.localdomain (236.31.169.217.in-addr.arpa [217.169.31.236]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id BE34B2137B; Thu, 1 Oct 2020 11:03:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1601550199; bh=QqBWYFceAV9eRz9MdwHloz53O7ACwbM/lAUyFD2oOtc=; h=From:To:Cc:Subject:Date:From; b=LsGUqUvXnH7LSKlqpbSkJh0mC1PQ2mBPu4sXspLjA0eD2lAlnhia1RD9wEhfa/utj lQS8MeaG7p06+SRVjB0R/tJDhN8fo/TCxdcDIi5ErX86FH52OyE1iMqa+OaDv4p3WH jafPZyrfuuvJyEmMqNXMdGDJTgoZD7IqfmD+CrUY= From: Will Deacon To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 1/2] perf: arm-cmn: Fix unsigned comparison to less than zero Date: Thu, 1 Oct 2020 12:03:14 +0100 Message-Id: <20201001110315.18505-1-will@kernel.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201001_070320_763314_7D2B0867 X-CRM114-Status: GOOD ( 13.83 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Will Deacon , robin.murphy@arm.com, "Gustavo A . R . Silva" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Ensure that the 'irq' field of 'struct arm_cmn_dtc' is a signed int so that it can be compared '< 0'. Link: https://lore.kernel.org/r/20200929170835.GA15956@embeddedor Addresses-Coverity-ID: 1497488 ("Unsigned compared against 0") Fixes: 0ba64770a2f2 ("perf: Add Arm CMN-600 PMU driver") Reported-by: Gustavo A. R. Silva Signed-off-by: Will Deacon --- drivers/perf/arm-cmn.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/perf/arm-cmn.c b/drivers/perf/arm-cmn.c index e824b5b83ea2..cd4da4c5dac0 100644 --- a/drivers/perf/arm-cmn.c +++ b/drivers/perf/arm-cmn.c @@ -217,7 +217,7 @@ struct arm_cmn_node { struct arm_cmn_dtc { void __iomem *base; - unsigned int irq; + int irq; int irq_friend; bool cc_active; -- 2.28.0.709.gb0816b6eb0-goog _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel