From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 34531C38A02 for ; Sun, 30 Oct 2022 15:44:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229819AbiJ3Po4 (ORCPT ); Sun, 30 Oct 2022 11:44:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44504 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229520AbiJ3Pox (ORCPT ); Sun, 30 Oct 2022 11:44:53 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2A421314 for ; Sun, 30 Oct 2022 08:44:51 -0700 (PDT) Received: from dimapc.. (unknown [109.252.112.196]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: dmitry.osipenko) by madras.collabora.co.uk (Postfix) with ESMTPSA id 007AA6601639; Sun, 30 Oct 2022 15:44:47 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1667144689; bh=PBCW1pQYZlulS+wkcdlxXBG/yfECQX+mmoneFqYHeMc=; h=From:To:Cc:Subject:Date:From; b=KO/aESh02ORnQ42eMXxzJ5iTOy+T7I0QoN2WW71yk2KrvzJmauqcX+laILuetlsTq 6xGve78DarOd2CW6TbZQLpfpbB1qluBlOU5efCRwOK82ksWmf+0WM+XT5g9CqcK9b7 49uHQ/s6ghJGOXEazU7RFcCg893+Lx0OLVqgnU6PnXW1tLcMYYDBN7jecVpknpKOtU 0jZB09ZdvKnKRxWVUvHXtQw1YFkkyaFf5Sak1ob3ie8MRnm2bZmsDvkOCIO8szSH4H CbOgtXPQz7q0aUD9AgiceotOH02FnVVtwvH+i3RmaPinm7MDj6p+BXkUtPUL+KASJ0 aR1J1LciYfYSQ== From: Dmitry Osipenko To: Maarten Lankhorst , Maxime Ripard , Sumit Semwal , Thomas Zimmermann , =?UTF-8?q?Christian=20K=C3=B6nig?= , David Airlie , Daniel Vetter , noralf@tronnes.org, Dan Carpenter Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 0/2] Fixes for dma-buf locking issues found by Smatch Date: Sun, 30 Oct 2022 18:44:10 +0300 Message-Id: <20221030154412.8320-1-dmitry.osipenko@collabora.com> X-Mailer: git-send-email 2.37.3 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, Here are the two patches fixing minor problems introduced by my "dma-buf locking convention" series. Thanks to Dan Carpenter who checked linux-next with Smatch and reported the found issues. Changelog: v2: - Added ack from Christian König to the dma-buf patch and improved the dma-buf/attachment pointer check. - Dropped v1 patch that added GEM NULL-checking to drm_gem_vunmap_unlocked() and replaced it with the NULL-checking in drm_client_buffer_delete(), like was suggested by Christian König. Dmitry Osipenko (2): dma-buf: Make locking consistent in dma_buf_detach() drm/client: Prevent NULL dereference in drm_client_buffer_delete() drivers/dma-buf/dma-buf.c | 4 ++-- drivers/gpu/drm/drm_client.c | 6 +++--- 2 files changed, 5 insertions(+), 5 deletions(-) -- 2.37.3