From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 A88E93B71DA; Sat, 12 Sep 2026 09:45:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789206317; cv=none; b=OVEZocxJKe/b0L0T1Jod9Q5Urdj9KZbdgqb+k8NwAKyEMfM9YMrap1ZyyyY9CE76vRPMnfGeP+pZv+SmXJhYG+IfK06KsycQj3LsRFBoHcIAy3xPHAVEz1RUPa3fqHAxxIfdrPrNAEETGNmOzKpJSGsqHb+BWkdtn2JDXx47HjQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789206317; c=relaxed/simple; bh=9lqmgmnL3qh5dlw/+XvUbzr46rVF9246hJ/X/vYTOrA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=u7aO4GBVcER1kE1gk3WW0mqztXBww9QaFrbHkMaJWy1G6yBQ5cHPX5qS3mg6QOKmBU2YNn07Tb7Pw0Lzz1lhu90LdHk0e1ywDbEOVS3zcWgFz+V/n2vYIAKo7I3DbzZf2Kfo0GjnYRQMjMjrF+xHr/mGLMcXPaodpeuNkdJZpvw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=yverGAYP; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="yverGAYP" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 837B81F000FF; Sat, 12 Sep 2026 09:45:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1789206316; bh=2b1qs8+/yKhOMwWNTyC2HZROmBaThV578vDTHkhbLOU=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=yverGAYPjzUHxi0HjqnaWf8/SShYNupr/9ln8Ubbqr+2753Jsxr1lNq09P71ixU0w GyaH6ZhXOUYx8EZ7EaFAUArZ2J4GyXBAdbofcIevu0X+30W9TLZmaJBrFhkHxj4MnH k2V6GHcuwyuChKhs0tRW5VHcFfrDL9zwF7Z3jmOw= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Vladimir Zapolskiy , AngeloGioacchino Del Regno , Frank Li , Matthias Brugger , Vinod Koul , Sasha Levin Subject: [PATCH 6.18 0180/1518] dmaengine: mediatek: mtk-uart-apdma: Return -ENOMEM on memory allocation failure Date: Sat, 12 Sep 2026 08:39:09 +0200 Message-ID: <20260912065627.561412987@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260912065623.398859879@linuxfoundation.org> References: <20260912065623.398859879@linuxfoundation.org> User-Agent: quilt/0.69 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 6.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Vladimir Zapolskiy [ Upstream commit 467265c750edd7ab43803deeafe7d3120a791d32 ] If dynamic memory allocation in driver's probe function execution fails, it should be reported to the driver's framework with -ENOMEM error code. Fixes: 9135408c3ace ("dmaengine: mediatek: Add MediaTek UART APDMA support") Signed-off-by: Vladimir Zapolskiy Reviewed-by: AngeloGioacchino Del Regno Reviewed-by: Frank Li Reviewed-by: Matthias Brugger Link: https://patch.msgid.link/20260701200703.117929-1-vz@kernel.org Signed-off-by: Vinod Koul Signed-off-by: Sasha Levin --- drivers/dma/mediatek/mtk-uart-apdma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/dma/mediatek/mtk-uart-apdma.c b/drivers/dma/mediatek/mtk-uart-apdma.c index 96c18c815f1df..cdba081637975 100644 --- a/drivers/dma/mediatek/mtk-uart-apdma.c +++ b/drivers/dma/mediatek/mtk-uart-apdma.c @@ -530,7 +530,7 @@ static int mtk_uart_apdma_probe(struct platform_device *pdev) for (i = 0; i < mtkd->dma_requests; i++) { c = devm_kzalloc(mtkd->ddev.dev, sizeof(*c), GFP_KERNEL); if (!c) { - rc = -ENODEV; + rc = -ENOMEM; goto err_no_dma; } -- 2.53.0