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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 From: Arnd Bergmann [ Upstream commit 844b85dda2f569943e1e018fdd63b6f7d1d6f08e ] clang warns about an impossible condition when building with 32-bit phys_addr_t: arch/arm/mach-keystone/keystone.c:79:16: error: result of comparison of constant 51539607551 with expression of type 'phys_addr_t' (aka 'unsigned int') is always false [-Werror,-Wtautological-constant-out-of-range-compare] mem_end > KEYSTONE_HIGH_PHYS_END) { ~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~ arch/arm/mach-keystone/keystone.c:78:16: error: result of comparison of constant 34359738368 with expression of type 'phys_addr_t' (aka 'unsigned int') is always true [-Werror,-Wtautological-constant-out-of-range-compare] if (mem_start < KEYSTONE_HIGH_PHYS_START || ~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~ Change the temporary variable to a fixed-size u64 to avoid the warning. Signed-off-by: Arnd Bergmann Reviewed-by: Nathan Chancellor Acked-by: Santosh Shilimkar Link: https://lore.kernel.org/r/20210323131814.2751750-1-arnd@kernel.org' Signed-off-by: Arnd Bergmann Signed-off-by: Sasha Levin --- arch/arm/mach-keystone/keystone.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-keystone/keystone.c b/arch/arm/mach-keystone/keystone.c index cd711bfc591f..2c647bdf8d25 100644 --- a/arch/arm/mach-keystone/keystone.c +++ b/arch/arm/mach-keystone/keystone.c @@ -65,7 +65,7 @@ static void __init keystone_init(void) static long long __init keystone_pv_fixup(void) { long long offset; - phys_addr_t mem_start, mem_end; + u64 mem_start, mem_end; mem_start = memblock_start_of_DRAM(); mem_end = memblock_end_of_DRAM(); @@ -78,7 +78,7 @@ static long long __init keystone_pv_fixup(void) if (mem_start < KEYSTONE_HIGH_PHYS_START || mem_end > KEYSTONE_HIGH_PHYS_END) { pr_crit("Invalid address space for memory (%08llx-%08llx)\n", - (u64)mem_start, (u64)mem_end); + mem_start, mem_end); return 0; } -- 2.30.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel 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=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 22972C433B4 for ; Mon, 12 Apr 2021 16:24:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EFBDE6136B for ; Mon, 12 Apr 2021 16:24:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243921AbhDLQYi (ORCPT ); Mon, 12 Apr 2021 12:24:38 -0400 Received: from mail.kernel.org ([198.145.29.99]:55508 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243449AbhDLQXk (ORCPT ); Mon, 12 Apr 2021 12:23:40 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id C92B46135F; Mon, 12 Apr 2021 16:23:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1618244601; bh=tHDpAD6pf5/tSF+GeRMXcGlp94QTFW8W0k9obVJgcqk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=b6fqrzT5QjgraK2WZNjKSrLEvwIl+eHBkZCoqbgtyjtUZ90cJUqwIFI8FqEbee6Dm RBVEYFmdMewp+ufsyBsfiDs9XhwULiMvAL0M2bC4BcAyGtYO6b4/Brue8y1E8aQhBH UpNSmi+B1k4kl++gFQrrg7ZHVWs2/PxrcKpSy1kaekqRo5oU7rPceT7KPnWXzVDod9 so+d7Ue+DjzpbgGzFqvI5lJ/d6Re9Od/PaPvOM9r0X6FHu9S3r2p5b28nfpuDtgsT4 PYXjlI2yZSNa8TeJTZKts+mZygXSKE3RGqq+Tw8eYqdv1pHxjaw4doUau88TH4fBmA Z821tQ6aAgoMQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Arnd Bergmann , Nathan Chancellor , Santosh Shilimkar , Sasha Levin , linux-arm-kernel@lists.infradead.org, clang-built-linux@googlegroups.com Subject: [PATCH AUTOSEL 5.11 20/51] ARM: keystone: fix integer overflow warning Date: Mon, 12 Apr 2021 12:22:25 -0400 Message-Id: <20210412162256.313524-20-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210412162256.313524-1-sashal@kernel.org> References: <20210412162256.313524-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Arnd Bergmann [ Upstream commit 844b85dda2f569943e1e018fdd63b6f7d1d6f08e ] clang warns about an impossible condition when building with 32-bit phys_addr_t: arch/arm/mach-keystone/keystone.c:79:16: error: result of comparison of constant 51539607551 with expression of type 'phys_addr_t' (aka 'unsigned int') is always false [-Werror,-Wtautological-constant-out-of-range-compare] mem_end > KEYSTONE_HIGH_PHYS_END) { ~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~ arch/arm/mach-keystone/keystone.c:78:16: error: result of comparison of constant 34359738368 with expression of type 'phys_addr_t' (aka 'unsigned int') is always true [-Werror,-Wtautological-constant-out-of-range-compare] if (mem_start < KEYSTONE_HIGH_PHYS_START || ~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~ Change the temporary variable to a fixed-size u64 to avoid the warning. Signed-off-by: Arnd Bergmann Reviewed-by: Nathan Chancellor Acked-by: Santosh Shilimkar Link: https://lore.kernel.org/r/20210323131814.2751750-1-arnd@kernel.org' Signed-off-by: Arnd Bergmann Signed-off-by: Sasha Levin --- arch/arm/mach-keystone/keystone.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-keystone/keystone.c b/arch/arm/mach-keystone/keystone.c index cd711bfc591f..2c647bdf8d25 100644 --- a/arch/arm/mach-keystone/keystone.c +++ b/arch/arm/mach-keystone/keystone.c @@ -65,7 +65,7 @@ static void __init keystone_init(void) static long long __init keystone_pv_fixup(void) { long long offset; - phys_addr_t mem_start, mem_end; + u64 mem_start, mem_end; mem_start = memblock_start_of_DRAM(); mem_end = memblock_end_of_DRAM(); @@ -78,7 +78,7 @@ static long long __init keystone_pv_fixup(void) if (mem_start < KEYSTONE_HIGH_PHYS_START || mem_end > KEYSTONE_HIGH_PHYS_END) { pr_crit("Invalid address space for memory (%08llx-%08llx)\n", - (u64)mem_start, (u64)mem_end); + mem_start, mem_end); return 0; } -- 2.30.2