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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 6231ECD1284 for ; Wed, 27 Mar 2024 12:10:37 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id AFF1D10FADD; Wed, 27 Mar 2024 12:10:36 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="iEcrEYr9"; dkim-atps=neutral Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by gabe.freedesktop.org (Postfix) with ESMTPS id 45ADA10FAD8; Wed, 27 Mar 2024 12:10:26 +0000 (UTC) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 96C3B61514; Wed, 27 Mar 2024 12:10:25 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1219FC433F1; Wed, 27 Mar 2024 12:10:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711541425; bh=a1I4hbTttO1K9D1ocO46/enq/86kw6OIeL8mO7NXWnw=; h=From:To:Cc:Subject:Date:From; b=iEcrEYr98Wvx/fuBVkeeonkD9iltqZ274atkMlym6rxci2teevwrpQ2nlSCi9FzE0 jlx2Vvwg5AhbJeNuULTCxvlYd5ey6ZZoay6otomnLcyevP3gNn36XKCwt4ZEw0IE0H xVZew8vDIjGX/SwIW80Y+SRoJwkaIGV5+/WcWSK4Jq+QDyFtVSE0k9eU1iQn0LHh5C SCHehfYr7u/8pF7/S6RXkkBuH5S+0PalUEAT1P+r1Hoo7P86fs2qmYMNHg5+YTlux9 JIcHzMOdM9Fnz+9XlGzRtvXQTJ+/9+JMn3K3pdZ95ykM3WB22N+lMbDAPBrCsmNcbs YKEDTbvmXaW6g== From: Sasha Levin To: stable@vger.kernel.org, allen.pan@amd.com Cc: Mario Limonciello , Alex Deucher , Charlene Liu , Alex Hung , Daniel Wheeler , amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: FAILED: Patch "drm/amd/display: Add a dc_state NULL check in dc_state_release" failed to apply to 6.6-stable tree Date: Wed, 27 Mar 2024 08:10:22 -0400 Message-ID: <20240327121023.2827913-1-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 X-Patchwork-Hint: ignore X-stable: review Content-Transfer-Encoding: 8bit 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: , Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" The patch below does not apply to the 6.6-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . Thanks, Sasha ------------------ original commit in Linus's tree ------------------ >From 334b56cea5d9df5989be6cf1a5898114fa70ad98 Mon Sep 17 00:00:00 2001 From: Allen Pan Date: Fri, 23 Feb 2024 18:20:16 -0500 Subject: [PATCH] drm/amd/display: Add a dc_state NULL check in dc_state_release [How] Check wheather state is NULL before releasing it. Cc: Mario Limonciello Cc: Alex Deucher Cc: stable@vger.kernel.org Reviewed-by: Charlene Liu Acked-by: Alex Hung Signed-off-by: Allen Pan Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/core/dc_state.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_state.c b/drivers/gpu/drm/amd/display/dc/core/dc_state.c index 180ac47868c22..5cc7f8da209c5 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_state.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_state.c @@ -334,7 +334,8 @@ static void dc_state_free(struct kref *kref) void dc_state_release(struct dc_state *state) { - kref_put(&state->refcount, dc_state_free); + if (state != NULL) + kref_put(&state->refcount, dc_state_free); } /* * dc_state_add_stream() - Add a new dc_stream_state to a dc_state. -- 2.43.0