From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BF24D1CB514; Mon, 2 Sep 2024 15:17:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725290261; cv=none; b=mneeIHPnxGStCOPLz+tsdqDE+50YQKXmw8HR0//Wm9HN9eVyencsGGCSFuvh5eoDJX1/GJPJFjmmnPAfHaArVmA9MwvCgDqfB+ezyReOaWxwRazUTXuAzClqXY0cAqBy6ggP8kPG36GTnY5QjC8tLXiYIs+bhKEZPozkKC504TM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725290261; c=relaxed/simple; bh=jpst8VD6A28WpnSei3VKILPWI/NAoyJNFmbGI/OAD8w=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version:Content-Type; b=EKqgQ7Ai1yIDHjgOtENd2Ylm56uu0+vzd3oRYEc/zO/8MDKKksKlhDol7CZTnxW4W0RnEETwuQkBN9GW6CxjWqHoqq4GsuBVMJ/Z0qCfL4rS5gixN17bskn1TQT0/wri/6sA+eIIztn/bkeBdr7RITKb9bdegaTtlg7vYedIOcg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=oF/wvFwI; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="oF/wvFwI" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B1D09C4CEC2; Mon, 2 Sep 2024 15:17:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1725290261; bh=jpst8VD6A28WpnSei3VKILPWI/NAoyJNFmbGI/OAD8w=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=oF/wvFwIkEPM1DNHvHuLj07hrNdTvHsluqU/wgnmL41GPXK+onJf8szI0QfycztrV 3AFbJWtg/prkDQqtmvMx1z+RAzlzhe5dtlxMHxzVLrrFKVKf6qVee1zJ0VgeoqI1cr xc9+at29BVcncSiWdq/ykDBFnJRBi4K3ttIM8vZYetZepBYAjNHuSYi6BDFTvsC3T7 BvuREjYY8LI7sjZ66SwSkEpJNzEerjp9C+xUlDfMvzrOCdUmxlcVTUsPsEMhZO5VTX WdjrTAQmokuxfUeeeur5ol1BmxTKAJ8WNw7sZ8tt2onF+YQPosQeKG3Gc5x9CB7gIT ec+vtCz41NEoQ== From: Will Deacon To: Nicolin Chen Cc: catalin.marinas@arm.com, kernel-team@android.com, Will Deacon , thierry.reding@gmail.com, vdumpa@nvidia.com, robin.murphy@arm.com, joro@8bytes.org, jonathanh@nvidia.com, linux-tegra@vger.kernel.org, linux-arm-kernel@lists.infradead.org, iommu@lists.linux.dev, linux-kernel@vger.kernel.org, Jason Gunthorpe Subject: Re: [PATCH] iommu/tegra241-cmdqv: Fix -Wformat-truncation warnings in lvcmdq_error_header Date: Mon, 2 Sep 2024 16:17:34 +0100 Message-Id: <172527350346.3175637.9296819868165905950.b4-ty@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20240902055745.629456-1-nicolinc@nvidia.com> References: <20240902055745.629456-1-nicolinc@nvidia.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit On Sun, 01 Sep 2024 22:57:45 -0700, Nicolin Chen wrote: > Kernel test robot reported a few trucation warnings at the snprintf: > drivers/iommu/arm/arm-smmu-v3/tegra241-cmdqv.c: > In function ‘tegra241_vintf_free_lvcmdq’: > drivers/iommu/arm/arm-smmu-v3/tegra241-cmdqv.c:239:56: > warning: ‘%u’ directive output may be truncated writing between 1 and > 5 bytes into a region of size between 3 and 11 [-Wformat-truncation=] > 239 | snprintf(header, hlen, "VINTF%u: VCMDQ%u/LVCMDQ%u: ", > | ^~ > drivers/iommu/arm/arm-smmu-v3/tegra241-cmdqv.c:239:32: note: directive argument > in the range [0, 65535] > 239 | snprintf(header, hlen, "VINTF%u: VCMDQ%u/LVCMDQ%u: ", > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > drivers/iommu/arm/arm-smmu-v3/tegra241-cmdqv.c:239:9: note: ‘snprintf’ output > between 25 and 37 bytes into a destination of size 32 > 239 | snprintf(header, hlen, "VINTF%u: VCMDQ%u/LVCMDQ%u: ", > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > 240 | vcmdq->vintf->idx, vcmdq->idx, vcmdq->lidx); > > [...] Applied to will (for-joerg/arm-smmu/updates), thanks! [1/1] iommu/tegra241-cmdqv: Fix -Wformat-truncation warnings in lvcmdq_error_header https://git.kernel.org/will/c/db184a1ced56 Cheers, -- Will https://fixes.arm64.dev https://next.arm64.dev https://will.arm64.dev