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Tue, 13 Apr 2021 09:45:02 +0000 Received: from pps.filterd (userp3030.oracle.com [127.0.0.1]) by userp3030.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 13D9UMHP156907; Tue, 13 Apr 2021 09:45:00 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userp3030.oracle.com with ESMTP id 37unxwmevn-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 13 Apr 2021 09:45:00 +0000 Received: from abhmp0007.oracle.com (abhmp0007.oracle.com [141.146.116.13]) by aserv0122.oracle.com (8.14.4/8.14.4) with ESMTP id 13D9ix72019134; Tue, 13 Apr 2021 09:44:59 GMT Received: from mwanda (/102.36.221.92) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 13 Apr 2021 02:44:58 -0700 Date: Tue, 13 Apr 2021 12:44:48 +0300 From: Dan Carpenter To: john.clements@amd.com Subject: [bug report] drm/amdgpu: page retire over debugfs mechanism Message-ID: MIME-Version: 1.0 Content-Disposition: inline X-Proofpoint-IMR: 1 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=9952 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxscore=0 bulkscore=0 malwarescore=0 spamscore=0 adultscore=0 phishscore=0 mlxlogscore=999 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2104060000 definitions=main-2104130065 X-Proofpoint-GUID: VKspokbuZWoKMkDl8twc6JlMhkcbH6pn X-Proofpoint-ORIG-GUID: VKspokbuZWoKMkDl8twc6JlMhkcbH6pn X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=9952 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxscore=0 priorityscore=1501 clxscore=1011 adultscore=0 mlxlogscore=999 impostorscore=0 malwarescore=0 lowpriorityscore=0 spamscore=0 phishscore=0 bulkscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2104060000 definitions=main-2104130065 X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: amd-gfx@lists.freedesktop.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" Hello John Clements, The patch cbb8f989d5a0: "drm/amdgpu: page retire over debugfs mechanism" from Apr 9, 2021, leads to the following static checker warning: drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c:377 amdgpu_ras_debugfs_ctrl_write() info: return a literal instead of 'ret' drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c 366 ret = amdgpu_ras_debugfs_ctrl_parse_data(f, buf, size, pos, &data); 367 if (ret) 368 return -EINVAL; 369 370 if (data.op == 3) 371 { ^ Please use scripts/checkpatch.pl... :( Bonus points for replacing the magic number 3 with a define? 372 ret = amdgpu_reserve_page_direct(adev, data.inject.address); 373 374 if (ret) 375 return size; 376 else 377 return ret; This static checker warning is disguised as a style warning, but it's really to detect code like this where the if statements are reversed as appears to be the case here. ret = amdgpu_reserve_page_direct(adev, data.inject.address); if (ret) return ret; return size; 378 } 379 380 if (!amdgpu_ras_is_supported(adev, data.head.block)) 381 return -EINVAL; regards, dan carpenter _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx