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 2ABA8191F9E; Tue, 10 Sep 2024 10:16:08 +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=1725963368; cv=none; b=G3NvreYiHh9H0oM6UEhY2xU8oHXnaFnZKXJ8Im3E2hiMBsoa+qCgzCcU6MliPW0WiQ6aW2SL2j+1DEUdapXlH2E4IPSQCtVWoMivJVOkUAvbeio+FTbPGilsBYmYZnC9nJyd1PX0jHyQJXxiJCbR4V31os6Cjw1ewLNlbf5XkVQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725963368; c=relaxed/simple; bh=mRIRoP3UL6azlO9FrkgG1bdUtkvbxDHa33Tma2Qagk4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=VTqdxWboy1/VSSIjC+yKLYEHyO5C5Q19KdXtMXEsCuoIVbeceEuZzc8lizdX82ODVJxb3bZkbNLNVkJg6Z/kQL1gCN3IR2cJpi8hlNWB+gntzx0ETPnixjzaLFFiZqkjMQMsW5UCnaRiwcdCX6Qi045/Azk5cVaqkUsk3tug+PM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=J4B93ke8; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="J4B93ke8" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 727A9C4CEC3; Tue, 10 Sep 2024 10:16:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1725963368; bh=mRIRoP3UL6azlO9FrkgG1bdUtkvbxDHa33Tma2Qagk4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=J4B93ke86G9ZiHzVynLCcUkZgvU/V5IlXRNxY/LCN6uDmbUkdJffXTDFTYEg7z0MW Npw7/KpwoyzN4nJnCsC3CcdodbMF0F7DWNznKgMQcH8AnKg4yAH8e/yxU7+7AcIhUZ j67mEUhVwz/IGWwl6B6TCX9upq/MAO/7f6TwVf1Q= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Jesse Zhang , Yang Wang , Tim Huang , Alex Deucher , Sasha Levin Subject: [PATCH 5.15 034/214] drm/amd/pm: check specific index for aldebaran Date: Tue, 10 Sep 2024 11:30:56 +0200 Message-ID: <20240910092600.165458308@linuxfoundation.org> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240910092558.714365667@linuxfoundation.org> References: <20240910092558.714365667@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: Jesse Zhang [ Upstream commit 0ce8ef2639c112ae203c985b758389e378630aac ] Check for specific indexes that may be invalid values. Signed-off-by: Jesse Zhang Reviewed-by: Yang Wang Reviewed-by: Tim Huang Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c index d0c6b864d00a..31846510c1a9 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c @@ -1775,7 +1775,8 @@ static int aldebaran_mode2_reset(struct smu_context *smu) index = smu_cmn_to_asic_specific_index(smu, CMN2ASIC_MAPPING_MSG, SMU_MSG_GfxDeviceDriverReset); - + if (index < 0 ) + return -EINVAL; mutex_lock(&smu->message_lock); if (smu_version >= 0x00441400) { ret = smu_cmn_send_msg_without_waiting(smu, (uint16_t)index, SMU_RESET_MODE_2); -- 2.43.0