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 4330B1DE89F; Tue, 8 Oct 2024 13:18:20 +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=1728393500; cv=none; b=EAdYm8LSNpBVpgM3Eoeb8XYLt0ONU0PZBnE5y8JBniwggduWAvxdKVl3cGaBYlJNVps9oLfGMMKOAtFbEvb0tzM/dVkSzH9B2QsP7D5tRH+z7nkIV84VYbtul/y4fEpZb+YCsrlvnGnVfYkAwrfbFUYsS7nn2tIuoqBwJrNbrZ4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728393500; c=relaxed/simple; bh=BiqpidloBbHw5fVM8zFp2xHIIZO6W7VQA5IagyrPgQA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=SY+dagopwqzvVJK3R/CWMrgUkAx0elAnG7XY5P7brRilzTM4cH1dW/w63580ddNzgbSpq/3IAXcTut4b5j/WM+5timCgGnE+rz8ucfOwanu3bGdbECD87iap9q3f9R3L7h2f8jiqZOkw2ThV1BS3KYgEMjVyHJ34SpyAqdVmr5M= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=Sv81vqMc; 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="Sv81vqMc" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 89A5AC4CEC7; Tue, 8 Oct 2024 13:18:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1728393500; bh=BiqpidloBbHw5fVM8zFp2xHIIZO6W7VQA5IagyrPgQA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Sv81vqMch9KlBRSpY/bvIuWTLrlnaY0riOF5hpXRBo0V/AQT+rlrQzUtb+pYV0ZjF d90IXlmJ6kU5ilovuw6ePSSl3NlUGtjZhS0S3l05SwCOGadQxbiEgzemU8wmLG+28x i9WLzKw9lm+8VSHR423ZUeD2NQopf0FFMbLs5K7c= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Tim Huang , Jesse Zhang , Alex Deucher , Sasha Levin Subject: [PATCH 6.6 171/386] drm/amd/pm: ensure the fw_info is not null before using it Date: Tue, 8 Oct 2024 14:06:56 +0200 Message-ID: <20241008115636.153012284@linuxfoundation.org> X-Mailer: git-send-email 2.46.2 In-Reply-To: <20241008115629.309157387@linuxfoundation.org> References: <20241008115629.309157387@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Tim Huang [ Upstream commit 186fb12e7a7b038c2710ceb2fb74068f1b5d55a4 ] This resolves the dereference null return value warning reported by Coverity. Signed-off-by: Tim Huang Reviewed-by: Jesse Zhang Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/pm/powerplay/hwmgr/processpptables.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/processpptables.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/processpptables.c index 5794b64507bf9..56a2257525806 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/processpptables.c +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/processpptables.c @@ -1185,6 +1185,8 @@ static int init_overdrive_limits(struct pp_hwmgr *hwmgr, fw_info = smu_atom_get_data_table(hwmgr->adev, GetIndexIntoMasterTable(DATA, FirmwareInfo), &size, &frev, &crev); + PP_ASSERT_WITH_CODE(fw_info != NULL, + "Missing firmware info!", return -EINVAL); if ((fw_info->ucTableFormatRevision == 1) && (le16_to_cpu(fw_info->usStructureSize) >= sizeof(ATOM_FIRMWARE_INFO_V1_4))) -- 2.43.0