From nobody Mon May 25 01:14:39 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 610883BCD15; Tue, 19 May 2026 20:37:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779223024; cv=none; b=SRCDyCDz+7ZEOx7Che6UJjjjuBP4+nAUFjcGw+Le0tTRmTHBeHXz7cNXDjesejJ1nYeewBlWHh670AYqAVeq8ehUzvt/32BOjYyWG9tp8TTHOOYByz7LKJDZiTD/ujHN6OkxoocG1IrxbuXyQsBOdcKuLcyVPtaVDfigeMKa2nY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779223024; c=relaxed/simple; bh=qZJTgKVtNi/+QdikBfpBlq5LVYUeOItBCQ6IBhpwd9M=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=q+PP29OJ66eV+YcNBTtH0cIBBzuwvlUU5QEpC23wXdI4XAosF2pkn+mAu2/a71VsCWkg2WErdxMxCCFc4gC+kpzqQHtcKwrVUsBJmC+7JGDUBU+6ovC+p7RhepojYgqGHau9tKmoeicXk0rkbImehsi2luDX7leBzW9/E7ON2fs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Y8uoHQNt; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Y8uoHQNt" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6B3C91F000E9; Tue, 19 May 2026 20:37:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1779223023; bh=ClyVU23OpRSvt4yjlOrmDjqwTZ/gmwEQquXeHmKVDS0=; h=From:To:Cc:Subject:Date; b=Y8uoHQNtBWm6HuiQbHXHQyrzVSDsHGLd8FPZUW4olGNaKEWSrL+EheDxXr0iedF8i XOIAJAkb4yte7qooEbaSWyPTuFxYwiWqYmLgO/TZr60tpYi/CE1b8SSi20MvNYQ7BR A1ZyiS5crkHwG93IaXFSMa4XVF4eVx4P0umsgOLpn5zMKu1boRm5qs9O/FVBN9ABbR nOTx04bJl8pC8vhjomrg3CYcQnIxvOFRFFF5UP7xasT88i3Rtg45fgBz7vUowzJuaN KorKxyG/WalPsICnoUtaSJnOcMxjFikdGfCeJCb2Fg11mPo+cJvuNXkC6d5hz4K5r5 /dQmgp9sgYCRw== From: Arnd Bergmann To: Benjamin Gaignard , Joerg Roedel , Will Deacon Cc: Arnd Bergmann , Robin Murphy , iommu@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [PATCH] iommu: vsi: avoid -Wformat-security warning Date: Tue, 19 May 2026 22:36:51 +0200 Message-Id: <20260519203658.1341889-1-arnd@kernel.org> X-Mailer: git-send-email 2.39.5 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Arnd Bergmann When -Wformat-security is enabled, it catches a call to iommu_device_sysfs_add() that passes a string variable in place of a format: drivers/iommu/vsi-iommu.c: In function 'vsi_iommu_probe': drivers/iommu/vsi-iommu.c:717:9: error: format not a string literal and no = format arguments [-Werror=3Dformat-security] 717 | err =3D iommu_device_sysfs_add(&iommu->iommu, dev, NULL, de= v_name(dev)); | ^~~ Pass this indirectly using "%s" as the format instead. Fixes: 917ace84b770 ("iommu: Add verisilicon IOMMU driver") Signed-off-by: Arnd Bergmann Reviewed-by: Benjamin Gaignard --- drivers/iommu/vsi-iommu.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/iommu/vsi-iommu.c b/drivers/iommu/vsi-iommu.c index 5d0721bd2c7a..23913720d484 100644 --- a/drivers/iommu/vsi-iommu.c +++ b/drivers/iommu/vsi-iommu.c @@ -714,7 +714,8 @@ static int vsi_iommu_probe(struct platform_device *pdev) pm_runtime_use_autosuspend(dev); pm_runtime_enable(dev); =20 - err =3D iommu_device_sysfs_add(&iommu->iommu, dev, NULL, dev_name(dev)); + err =3D iommu_device_sysfs_add(&iommu->iommu, dev, NULL, "%s", + dev_name(dev)); if (err) goto err_runtime_disable; =20 --=20 2.39.5