From patchwork Tue Aug 27 16:53:37 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sherry Yang X-Patchwork-Id: 822711 Received: from mx0a-00069f02.pphosted.com (mx0a-00069f02.pphosted.com [205.220.165.32]) (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 C7D861CEAD2; Tue, 27 Aug 2024 16:53:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.165.32 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724777635; cv=none; b=kAfq/P0H4mOgxRm979WIguAQtVDCGBi8aJajkpeMxXeuZPVonwpXkmPRZpVLglRf/qx+VHE1J1K0lWml5WCzXJvhRMdSoARQfXdUUv79TSS4f1mT/OBF/kWOw9yg+dnNbFOVymyM5B7uUjd7bQ9wyu+dh0RWfH91NMCizfHbU/0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724777635; c=relaxed/simple; bh=O0Y02TK4oGW90k30vbXYz9fig3uV41MUJyVnUce1lVM=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=g0+oiGGM4DPenytxi6qBqEa9s/XanQnJBlu5Z1TxYtRp1OP2FloUU5ZnUZqzoqMpqMsOa+H5Z4WThWZVq0ukVIetKvtwhsoWXc0z0Dc1iUwYbaz96UuC9Jfk196K7xVl5nv6Vl54wZYNrL8AH0Qi/UnOX7p7/4vWO8ddXeHO34Y= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oracle.com; spf=pass smtp.mailfrom=oracle.com; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b=CL4uvBbA; arc=none smtp.client-ip=205.220.165.32 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oracle.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oracle.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="CL4uvBbA" Received: from pps.filterd (m0333521.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 47RGiXb8021390; Tue, 27 Aug 2024 16:53:40 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h= from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; s=corp-2023-11-20; bh=Vp+6WQq2VIxGi3 hpxGtx34d88TGe04IjV4ei0O11vis=; b=CL4uvBbAsMa+LCIwK1bLgTCM7p90Lm pi2TxP8CpGsh1iPVjf9SNRhbOc6MUz07MaarNuMutLrLzhx+QTb986Bu6SMdwGRw gTqhLUxQJDEYvX4R1Y+lnad0LWy9qI+P5JOHndVB5/rXUqXskxAnkNDZILOAAe0D iQ7YCqsdccrsT1dRXUNyRFPI1jtUGZ34zO9x4Ziq39G/BuSh5jaxwkJ3Bee2ETfa LRPKpOVOQrd2OuaEut7g9Tpgtt8gy1r0Dc7hXts++lEITS5I+vL/MTEX6Bnwe/+h R1eY8r8wS3GnqqZ62LiaL97J9NDooRU/SySSvYbVL4tGNIzvnGxXNuMQ== Received: from phxpaimrmta03.imrmtpd1.prodappphxaev1.oraclevcn.com (phxpaimrmta03.appoci.oracle.com [138.1.37.129]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 4177npe3bn-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 27 Aug 2024 16:53:39 +0000 (GMT) Received: from pps.filterd (phxpaimrmta03.imrmtpd1.prodappphxaev1.oraclevcn.com [127.0.0.1]) by phxpaimrmta03.imrmtpd1.prodappphxaev1.oraclevcn.com (8.18.1.2/8.18.1.2) with ESMTP id 47RFgWMn034790; Tue, 27 Aug 2024 16:53:39 GMT Received: from pps.reinject (localhost [127.0.0.1]) by phxpaimrmta03.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTPS id 4189stavcs-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 27 Aug 2024 16:53:39 +0000 Received: from phxpaimrmta03.imrmtpd1.prodappphxaev1.oraclevcn.com (phxpaimrmta03.imrmtpd1.prodappphxaev1.oraclevcn.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 47RGrcI5020689; Tue, 27 Aug 2024 16:53:38 GMT Received: from ca-dev112.us.oracle.com (ca-dev112.us.oracle.com [10.129.136.47]) by phxpaimrmta03.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTP id 4189stavbw-1; Tue, 27 Aug 2024 16:53:38 +0000 From: Sherry Yang To: robdclark@gmail.com, quic_abhinavk@quicinc.com, dmitry.baryshkov@linaro.org, sean@poorly.run, marijn.suijten@somainline.org, airlied@gmail.com, daniel@ffwll.ch, ruanjinjie@huawei.com Cc: sherry.yang@oracle.com, linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/1] drm/msm: fix %s null argument error Date: Tue, 27 Aug 2024 09:53:37 -0700 Message-ID: <20240827165337.1075904-1-sherry.yang@oracle.com> X-Mailer: git-send-email 2.45.2 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-08-27_10,2024-08-27_01,2024-05-17_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 adultscore=0 spamscore=0 suspectscore=0 mlxlogscore=999 malwarescore=0 bulkscore=0 phishscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2407110000 definitions=main-2408270127 X-Proofpoint-GUID: sa_GpcZb0-74TF_0Fg27T07J4iopr_0v X-Proofpoint-ORIG-GUID: sa_GpcZb0-74TF_0Fg27T07J4iopr_0v The following build error was triggered because of NULL string argument: BUILDSTDERR: drivers/gpu/drm/msm/disp/mdp5/mdp5_smp.c: In function 'mdp5_smp_dump': BUILDSTDERR: drivers/gpu/drm/msm/disp/mdp5/mdp5_smp.c:352:51: error: '%s' directive argument is null [-Werror=format-overflow=] BUILDSTDERR: 352 | drm_printf(p, "%s:%d\t%d\t%s\n", BUILDSTDERR: | ^~ BUILDSTDERR: drivers/gpu/drm/msm/disp/mdp5/mdp5_smp.c:352:51: error: '%s' directive argument is null [-Werror=format-overflow=] This happens from the commit a61ddb4393ad ("drm: enable (most) W=1 warnings by default across the subsystem"). Using "(null)" instead to fix it. Fixes: bc5289eed481 ("drm/msm/mdp5: add debugfs to show smp block status") Signed-off-by: Sherry Yang --- drivers/gpu/drm/msm/disp/mdp5/mdp5_smp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_smp.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_smp.c index 3a7f7edda96b..500b7dc895d0 100644 --- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_smp.c +++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_smp.c @@ -351,7 +351,7 @@ void mdp5_smp_dump(struct mdp5_smp *smp, struct drm_printer *p, drm_printf(p, "%s:%d\t%d\t%s\n", pipe2name(pipe), j, inuse, - plane ? plane->name : NULL); + plane ? plane->name : "(null)"); total += inuse; }