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 5A74E222D62; Thu, 12 Dec 2024 17:08:43 +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=1734023323; cv=none; b=EgImP/2n8lQw+yTl2BX+ZOiouuC1eECh46yMj5TU/bqxwmNREdwhbI519VeOaQwR/du9a0zpkE52YYZasjHLA3mmtpMspm8YZ5Um+nsqtVd+1Z+aPwk18rPh8CK24WOk6ekazNPzDIz9JXtavKhy6p0UfB/Ay/yAghhyfoOBPwE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734023323; c=relaxed/simple; bh=5Lz6BXWHVULL91ddyhYThyMssHDf/LBVYwrnqmWV4NA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=mKHYr1OcB5UNf/vlzVAfANhwzKiWRIYpi60XAM5l+0l8IeQ5PkjjlCmqwkxqCr+BUFUSjtQjUYoV7/AlPgFtd3N5Jg/VAMatNqL0SgEf15v9yiyH7mg9cnBXPU5W++/DTZZQfmHQzRCkrnE2qt7IDSw2cUzw7UVVf7RJXHy0lcM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=KfEkYPz1; 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="KfEkYPz1" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7CD45C4CECE; Thu, 12 Dec 2024 17:08:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1734023322; bh=5Lz6BXWHVULL91ddyhYThyMssHDf/LBVYwrnqmWV4NA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KfEkYPz1SePR3Rw2ym6+TsATjLxjAEZnZ2QIXkFKctGxk0uK25yYiMMFyIgCeLuNI 3YImSFQIVcii1fsUpO90rMmFd+711734OO9xlNXZ/oRksXDbSDL/9b94I27eIyEOzN TH4PMPi25rvnbR8I682ClQO8Alv4Dh+kxEU74Sl8= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Lang Yu , Alex Deucher , Sasha Levin Subject: [PATCH 5.15 497/565] drm/amdgpu: refine error handling in amdgpu_ttm_tt_pin_userptr Date: Thu, 12 Dec 2024 16:01:32 +0100 Message-ID: <20241212144331.413554394@linuxfoundation.org> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20241212144311.432886635@linuxfoundation.org> References: <20241212144311.432886635@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 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Lang Yu [ Upstream commit 46186667f98fb7158c98f4ff5da62c427761ffcd ] Free sg table when dma_map_sgtable() failed to avoid memory leak. Signed-off-by: Lang Yu Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 9a1b19e3d4378..ca00a2d5e38b5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -775,7 +775,7 @@ static int amdgpu_ttm_tt_pin_userptr(struct ttm_device *bdev, /* Map SG to device */ r = dma_map_sgtable(adev->dev, ttm->sg, direction, 0); if (r) - goto release_sg; + goto release_sg_table; /* convert SG to linear array of pages and dma addresses */ drm_prime_sg_to_dma_addr_array(ttm->sg, gtt->ttm.dma_address, @@ -783,6 +783,8 @@ static int amdgpu_ttm_tt_pin_userptr(struct ttm_device *bdev, return 0; +release_sg_table: + sg_free_table(ttm->sg); release_sg: kfree(ttm->sg); ttm->sg = NULL; -- 2.43.0