From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mout.web.de (mout.web.de [212.227.17.11]) (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 2D43F1DA32 for ; Mon, 24 Jun 2024 17:17:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=212.227.17.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719249423; cv=none; b=p/VSJpCEP0xh8/L5kRAs8BvJiP0u2hZF0W2Ejbwz/LPZpl6orBrn333JD2pS+fmdG84U1QYK8sX9V35dMJMH+IY42KCqeI8kotBF+vEGGJGu55ZHL11M7E5p/t04Q48FsdVr9QODtnH/FzompN/Ygyc1N+gxSmrXF3ukxEP5K1c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719249423; c=relaxed/simple; bh=GMEQP3jd8WRb2V1nPNUL0HSascCCaN0HsToYXwfFS2k=; h=Message-ID:Date:MIME-Version:To:Cc:References:Subject:From: In-Reply-To:Content-Type; b=EDc0Wc5W3sfkSTdWWaDA+In+AfdsTWPrOAxHP23uoHQgEJNhYzM0ppkE7McqH6GUp+rvGJESvkaHE20b5lxZv7P8934tJbRreZUU8JaSoCvsXnZRDgLS5KdQjIavbBjBv+/nPmRxwfhIpwLhxZFyRnd/v9mUF7v+L53Y9MVEOG0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=web.de; spf=pass smtp.mailfrom=web.de; dkim=pass (2048-bit key) header.d=web.de header.i=markus.elfring@web.de header.b=QMoJrn1L; arc=none smtp.client-ip=212.227.17.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=web.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=web.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=web.de header.i=markus.elfring@web.de header.b="QMoJrn1L" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=web.de; s=s29768273; t=1719249403; x=1719854203; i=markus.elfring@web.de; bh=GMEQP3jd8WRb2V1nPNUL0HSascCCaN0HsToYXwfFS2k=; h=X-UI-Sender-Class:Message-ID:Date:MIME-Version:To:Cc:References: Subject:From:In-Reply-To:Content-Type:Content-Transfer-Encoding: cc:content-transfer-encoding:content-type:date:from:message-id: mime-version:reply-to:subject:to; b=QMoJrn1LD5lVdyjr6qrnNyWBC9Ki0fPFxYP+xV8jVYyKjVESnnioV/BDJTTirsS9 GDQIARYffI53kzX88EjdN9KTz0Fuv/tQNQ78sFHto5jSXXBZPMi7SHQyXpU57VrDw wXqeLG7oqcyHV/bE3WQa3+i5mJ6RyiD7sAgfAfCqFs12C8Fz4d+N3zRAa0wWW2s48 PHNjCcLZmFNW9e76FRN9lZGMjECc6EcXDGGWURCDWLxomWYSvXTkYWg9WWdgejGKb EfAlspgPvguakHZzls5iavUCbavzqtCJsVP7Q3o3/KtT/tKm2iUSPPuqLZhCCd2kc aGY1Xc1tZIgJYkSLBg== X-UI-Sender-Class: 814a7b36-bfc1-4dae-8640-3722d8ec6cd6 Received: from [192.168.178.21] ([94.31.85.95]) by smtp.web.de (mrweb106 [213.165.67.124]) with ESMTPSA (Nemesis) id 1MdwNg-1swVhd2Q90-00mAhP; Mon, 24 Jun 2024 19:16:43 +0200 Message-ID: <8d9791ba-14cf-481f-8964-341880865a0a@web.de> Date: Mon, 24 Jun 2024 19:16:35 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: Ma Ke , amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, Alex Deucher , Alex Hung , Alvin Lee , =?UTF-8?Q?Christian_K=C3=B6nig?= , Daniel Vetter , David Airlie , Dillon Varone , George Shen , Hamza Mahfooz , Harry Wentland , Jun Lei , Leo Li , Rodrigo Siqueira , Wenjing Liu , Xinhui Pan Cc: LKML , Aurabindo Pillai , Natanel Roizenman , Nicholas Kazlauskas References: <20240624024835.2278651-1-make24@iscas.ac.cn> Subject: Re: [PATCH] drm/amd/display: Check pipe_ctx before it is used Content-Language: en-GB From: Markus Elfring In-Reply-To: <20240624024835.2278651-1-make24@iscas.ac.cn> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Provags-ID: V03:K1:iYOxbUd/7f3wK5ncEyBEN/Q53syMelXlMbVXqlZkEbL8mvcBZ6k ZrOms3leP2hoDMYqxo0dms8w44Dmr/iNZZ7w692BEhxfOZiYi+xgqiYUU6IK2zdnwpbyops xRSRpnX319A30gWC1+zvcpJpP+cu0n0yvD4xhJv0mOp98jFlyb8ILsG8sDVsR3Ax31U7R62 mxwISQHFqPAKYd/Oj/OfQ== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:0FDCty/50O4=;LrAnG81ZmgYLa0YVEo58iS38UZ9 y3xoIvBTWSsZzgqcBjpOBeApuEp38UKLHl/yMigDPUCFljO/tBRQ2fEJfZdGw8bs4jZTpg9Oh jfO+oBRhQOFKJLdgAZvmNeg4uds0gUO2pVyLnOBwegymz8jg+ciZeUT03IvKBjniqALbhedFY MSF2zaRByPL1srQTxDqI3EOSGXsVP89bPSIp7XEPnwaJc93lP671jA1iE6kJPS/4oqZcogvQR cZ5RPnalOZZb/rJRMxZuXFRXmAf2SRe5aorN7al1eHxtK46BR0yxGZbPzblKEZFzdtbyeErUm amMoO4byxprl7ZbBE4qFm9LQ4zgt0xbXSQU2f0FJ5C+lDD5+rtlbhZ/xUz5lXpkY8iO+PeOKi 0ZotloisqAEFfoNiFUWCT/OmB2Rd6LXuMTqH5nOenHlzg649SG8Itg3kZW+o9qXbJ2sJ8pxqB FlPBLZL24WZ2dB19zjNv8OBb5Q+SdQ8PALd43U+uP25MW8970VFRI2loz0MWG+YEIF+sGLXwc 6mijamvwM9Ul4XjWeaqODOLCFOOztr162i8DUKHmA/Hyu+ULnuAyPpkHaPRDXGZ7b2Y6mrYIm J4CuPJdQNV1sJh0vgD7VPz552b7NYbc9Bil2KDuHnoVyA6P/Ti2rCPPYKz+kYsT6dbELiUwHt ffrJhP0hZeNVP1hLi2qkyekWShsSrmoGDjMACW43n+j0unMm18AR+KzfrxbZabb0G2ZNBr6hj heK7Cfn47qc7jnu0W1pMY6RZagmvGypflug/SIc68vhna+hFM9mopX0IRd+UYsH6ZWKa8B3PK t8U3DX2Rklww8E3bSirqq52JMdX0ugPNxj9fIG5Vvi+PU= > resource_get_otg_master_for_stream() could return NULL, we > should check the return value of 'otg_master' before it is > used in resource_log_pipe_for_stream(). A similar fix was integrated already according to a contribution by Natanel Roizenman. >From which Linux version did you take source files for your static code analyses? Please take another look at the corresponding software update. [PATCH 16/37] drm/amd/display: Add null check in resource_log_pipe_topology_update https://lore.kernel.org/amd-gfx/20240422152817.2765349-17-aurabindo.pillai@amd.com/ Regards, Markus