From nobody Tue May 14 06:59:01 2024 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 76E2C12F39C; Wed, 27 Mar 2024 12:16:27 +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=1711541787; cv=none; b=j+DRgGX8yI9wEvKfiF35Th4klJPTsb6dNqIbJrIvvsp9C7kvodPiVtxT7CX/W+jINWS497oKXZt4hu/zWE9rSn2F/ClcYEwEFIHLh6JzeVlvTmLVMVhR5tUkXPhI2RdlAtziPm3ceZ8d2DL8XMhfjKN9gldmvDo8zuH4RSRl18o= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711541787; c=relaxed/simple; bh=qWazGmBOt+1+MjX5VKg9YYvj2FAz80hGH7htUyBpar4=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=lq+zFK4+Je/FfwSC4GGMXAu4+pbqP1rlOVLf8YTY7FWq/UUObcvyLN2clOFqJFlQbD0joW3XhptweS1zds05nUYCzQJie+bEkTQv8qHgNwLwyJ+gdHSpJTmrjgc6NiKyAaXIeStCGhd6c/nHykbR1H2dawIgGpSzFZMj8pGIwAg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=JKrB45Ez; 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="JKrB45Ez" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D5ECBC433F1; Wed, 27 Mar 2024 12:16:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711541787; bh=qWazGmBOt+1+MjX5VKg9YYvj2FAz80hGH7htUyBpar4=; h=From:To:Cc:Subject:Date:From; b=JKrB45Ez7CQpHQpvoTli+7llELXBSKbt2sRWDlPI3yAqm9x96gX7aepDZeojDNqBR OZfLafDN7E6eiq7p66vpwQ/KUfjOnq71hA1geVAv+gvmHV9Y7vXLHmKO8f0ge5R9Wk AK6thhkiL/BPZVb/N6+s8Ewt4HPsqe5C+0fPbOB0G/9SwSku9yE0FJ0/zrMmXjHvAN 26yfj3jhoxwWCUDcPz8Y946Jkv6Y0LzfvOGzF20Hls+1oqbBYr2ClPGpAcIpZdtYt1 zZ+fIATTDEUcVSMPP2PwJXiRVewR1kdWLkUeOo3kIOKyCc+gajRjxSyO2eP/ykPQpI wvT6rVRvAkoJA== 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 5.15-stable tree Date: Wed, 27 Mar 2024 08:16:24 -0400 Message-ID: <20240327121624.2832693-1-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Hint: ignore X-stable: review Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The patch below does not apply to the 5.15-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 Acked-by: Alex Hung Reviewed-by: Charlene Liu Tested-by: Daniel Wheeler ------------------ 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/d= rm/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) =20 void dc_state_release(struct dc_state *state) { - kref_put(&state->refcount, dc_state_free); + if (state !=3D NULL) + kref_put(&state->refcount, dc_state_free); } /* * dc_state_add_stream() - Add a new dc_stream_state to a dc_state. --=20 2.43.0