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 983001D1512; Tue, 15 Oct 2024 12:00:36 +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=1728993636; cv=none; b=DO5NSp5bzYXfcuIsTnkzt8uwPKdm1N+ltZXHNrL9vZqOOAnT4uCh1GVHCNR4TLlG00a17SJgTaTg0vWTWCSaTc/YG/20WDj0j93gKPa2axigEk2lcB1YUu7BqaXRGr34xCAssVBjQvuDFkWqgKAL43oCKDz8Qvo9fsiBFQUCFYE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728993636; c=relaxed/simple; bh=CdFr9FvN1g9+lEc/IzIR+cwKR5tImDBa2D6tWyf7W1s=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=uYssNWD4tb/8XoPvCOJdG4Uk57fzzK0oby3amv201dF6HsrSUN93Tk3MU1c52kTjd6M8EUddNvsVoh2VWViQPgFN6jZBiM4FU0FHdQylpZIPM2PuoiKSsWU++FVqjjB4VhO6UN59ANN7SDZi+o9RveMW3PCM+Av2xJwaGiY2J6w= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=hJe9StIy; 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="hJe9StIy" Received: by smtp.kernel.org (Postfix) with ESMTPSA id AC224C4CEC6; Tue, 15 Oct 2024 12:00:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1728993636; bh=CdFr9FvN1g9+lEc/IzIR+cwKR5tImDBa2D6tWyf7W1s=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hJe9StIyVOHXw3OFiDVYSL2rTPbENdNuJ7Fcj/ebfpyDET6v1pWavX+igNF1+ofCa e20p9g+r4hd4U9+YZmfogZdO/KflYir5E1lFOCKmxN43DE1rUhYrFhPXPm+QhqBrG8 XD1I+mcdjwIWPSA7OcWotNEDZVmv3iCR+wNsiK+8= 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 5.15 470/691] drm/amd/pm: ensure the fw_info is not null before using it Date: Tue, 15 Oct 2024 13:26:58 +0200 Message-ID: <20241015112458.998824656@linuxfoundation.org> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241015112440.309539031@linuxfoundation.org> References: <20241015112440.309539031@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: 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 182118e3fd5f3..2ca93a1f0b8e1 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