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 8DE6F1944F for ; Mon, 16 Oct 2023 08:49:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="xzDNdeCb" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 04760C433CB; Mon, 16 Oct 2023 08:49:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1697446165; bh=OvCtJMTKeMVdE3fTnUbkWB+VrjDZ2BRmlsUfSwhKPWA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=xzDNdeCbum2c5cIFsJceDynrzoq8SFontV/hUNKnPM50+ueTC4RNCegtu3U422hKd pNnmL3116l7i5yy8SqpNLbT2qzPXfHgLGNft9vzwM17w/dOjAmekRoCPLUeATfJxuO 8AjhZqBm8nZv5gbC3ZB+ttFOIepvbwdGb1NC3z+c= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, =?UTF-8?q?Christian=20K=C3=B6nig?= , Alex Deucher Subject: [PATCH 5.15 058/102] drm/amdgpu: add missing NULL check Date: Mon, 16 Oct 2023 10:40:57 +0200 Message-ID: <20231016083955.246359336@linuxfoundation.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231016083953.689300946@linuxfoundation.org> References: <20231016083953.689300946@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-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Christian König commit ff89f064dca38e2203790bf876cc7756b8ab2961 upstream. bo->tbo.resource can easily be NULL here. Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2902 Signed-off-by: Christian König Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher CC: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/amdgpu/amdgpu_object.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h @@ -221,7 +221,7 @@ static inline bool amdgpu_bo_in_cpu_visi struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev); struct amdgpu_res_cursor cursor; - if (bo->tbo.resource->mem_type != TTM_PL_VRAM) + if (!bo->tbo.resource || bo->tbo.resource->mem_type != TTM_PL_VRAM) return false; amdgpu_res_first(bo->tbo.resource, 0, amdgpu_bo_size(bo), &cursor);