From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 7EFD27469 for ; Sun, 17 Sep 2023 20:22:54 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B2B68C433CC; Sun, 17 Sep 2023 20:22:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1694982174; bh=o+v4PonNWogajHJSkZS2mVYZgXbtsc/JbpSiBRtaDaA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Z/E093lFRfk/PbxA9FMF0lcfr0QCN4NN/VfVjXhjYpcKKdgARw6cImGaw1qYYwKXo 4sYqmUTsM0n68/+ydTAcPZe3O5qYV+J5VpQjBgCrKjtzWUoKbMxQKmGVHC2juhOvbg RlhzbFr7Lq0ge4QReoHBlTC4b/YR71ehA8JhxDlo= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Maarten Lankhorst , Daniel Vetter , Rob Clark , Abhinav Kumar , Dmitry Baryshkov , linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, dorum@noisolation.com, Daniel Vetter , Sasha Levin Subject: [PATCH 5.15 173/511] drm/msm/mdp5: Dont leak some plane state Date: Sun, 17 Sep 2023 21:10:00 +0200 Message-ID: <20230917191118.012295435@linuxfoundation.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20230917191113.831992765@linuxfoundation.org> References: <20230917191113.831992765@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Daniel Vetter [ Upstream commit fd0ad3b2365c1c58aa5a761c18efc4817193beb6 ] Apparently no one noticed that mdp5 plane states leak like a sieve ever since we introduced plane_state->commit refcount a few years ago in 21a01abbe32a ("drm/atomic: Fix freeing connector/plane state too early by tracking commits, v3.") Fix it by using the right helpers. Fixes: 21a01abbe32a ("drm/atomic: Fix freeing connector/plane state too early by tracking commits, v3.") Cc: Maarten Lankhorst Cc: Daniel Vetter Cc: Rob Clark Cc: Abhinav Kumar Cc: Dmitry Baryshkov Cc: linux-arm-msm@vger.kernel.org Cc: freedreno@lists.freedesktop.org Reported-and-tested-by: dorum@noisolation.com Cc: dorum@noisolation.com Signed-off-by: Daniel Vetter Reviewed-by: Rob Clark Reviewed-by: Dmitry Baryshkov Reviewed-by: Abhinav Kumar Patchwork: https://patchwork.freedesktop.org/patch/551236/ Link: https://lore.kernel.org/r/20230803204521.928582-1-daniel.vetter@ffwll.ch Signed-off-by: Dmitry Baryshkov Signed-off-by: Sasha Levin --- drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c index 9c42776cb9a8a..f9cae6460c3be 100644 --- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c +++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c @@ -128,8 +128,7 @@ static void mdp5_plane_destroy_state(struct drm_plane *plane, { struct mdp5_plane_state *pstate = to_mdp5_plane_state(state); - if (state->fb) - drm_framebuffer_put(state->fb); + __drm_atomic_helper_plane_destroy_state(state); kfree(pstate); } -- 2.40.1