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 A6FA9160873; Wed, 27 Mar 2024 12:19:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711541988; cv=none; b=ELlWt/XefW65uR7JCTx4iHuA02pCKtN4rsbnt+86nhVwzou3x8kQRwfncnwA+YfYQuoDty491qQMyXu1bkCddmnOXreEh3zZedmIK7Bv79Bxy7fFMol2fZE1HH9MoT6lhB/sXGWBg5cHngmsrgyfa9hPTl1lhxb0QHL+IC9URQw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711541988; c=relaxed/simple; bh=egbXLkqW2ltqYLDtV6wrlHM4IKYp43oTYDDs7XtRjas=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=YJMgxFQb7D1yPuP8DeRNjPhNowBru2tZveSQ2DNxP7+jiJasd3/14CXNKwOkrtRblL+IBUn97SMPytAsN5LLPopI3U8mnMxGnwadfaoTNx5r96hYAKfJJ9+OucgXdITAW9zcOCUab2UbMcnK2Yp0aBLJFjKZi/dbN/sps6zAn1E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=jL/+v8wk; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="jL/+v8wk" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 751D7C433F1; Wed, 27 Mar 2024 12:19:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711541988; bh=egbXLkqW2ltqYLDtV6wrlHM4IKYp43oTYDDs7XtRjas=; h=From:To:Cc:Subject:Date:From; b=jL/+v8wk6SaqbT5RprVf52E/yxtdY+3GRIdgJJxpr8NUpRn6f/9SDoPGKQczfXUlU PFLCnXIFxm/1vdJjmxExIAChTXx6mkgh6zVzWDI6ruggtmTzbonSgxpjfjWrQuqcpf inbz1ZUpotGGjL5GrhWjkZtk9g5SBGVzFQLpel0Wf2KZKde1+5SGlVMZh6A5OdG+89 tVuxCzY8BsNcznxrYNnmE4N+5nADGGEHb19JT2RbYB9GBvkpMiwdF4Qriq+hzt/KfM ewSJJfzVePbMEX0q9XX6GJgxkKzF/ejQI1Q1iPlaTtp+9Q7UH1wNQYffry6lwULAir Gzva0okKwawHA== 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 5.10-stable tree Date: Wed, 27 Mar 2024 08:19:46 -0400 Message-ID: <20240327121946.2835462-1-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Hint: ignore X-stable: review Content-Transfer-Encoding: 8bit The patch below does not apply to the 5.10-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