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 DF5A93D9666 for ; Wed, 1 Jul 2026 20:07:08 +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=1782936429; cv=none; b=KDZch0ZzVmxeIohBKmPowgjnyumRemWDBR/wXM9AVcDqE647ce51T5g/jxXyjCvuK5toj/+zQBY+RnlafoyraESUoxUpQStnqKT+y1K0mUbrZ/uALz86EC52BQd+QIlb26pYQcP87zYuGtz2Oty+7hpCla77Th4Q31IbZSR/y2c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782936429; c=relaxed/simple; bh=X03KX3EHILZPCEcBbKYDNa0YOdwNNLHBu1AlKuojYQE=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=n3ScZB9cosdmirbdBeKWWDzIJBQIztcCNKNwuRQO6AXJmkmiiRih8ENDJ5yJJjbRr4Gw4YQ/GlABvGI3Q/5AGMeFwAHWB7AivFx5jAeZj7JxIyxRORG1uWgu3iI1ehJW3WPMcbvgFwsLwPsi32oHZbE7yLlZLNsN6+sTWiS/l68= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=LdmtY/jv; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="LdmtY/jv" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4D6D41F000E9; Wed, 1 Jul 2026 20:07:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1782936428; bh=PmqtZ9UynrtR3FXqygucaN5FcrVeXQgED/Jne2Xy9pA=; h=From:To:Cc:Subject:Date; b=LdmtY/jv28LGUzbuMjalCIUQ4PD/AlaW3wUQLb4XEM13SYZxh/h6ReC3bry7jri/D 8pDQkW3eo+CkS/UMSg2+tw0tYzVC0IPvorWqr4pObAn/4rryizJCg+8QR9rZVfo9Tx fW1A4biWSxn4vjHron24xbvORJ9TKpjqg55tKQA0KIJHDX9Yv3x03md5mj7E1viDBU os3h6erWjpCrB4r19hFCoUWn0FVDp8pOuyOIPv/8Gk+QqAR14ncd5SK4IKITxIfO91 MHLY8n9VsOulwCUNq017PicsxlBtWkN/8kNBfI3Du3CRvnxQ2C+WLsgLYK1DepXaIK 59XxFzIHR8lgA== From: Vladimir Zapolskiy To: Sean Wang , Matthias Brugger , AngeloGioacchino Del Regno , Vinod Koul , Frank Li Cc: Long Cheng , dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: [PATCH] dmaengine: mediatek: mtk-uart-apdma: Return -ENOMEM on memory allocation failure Date: Wed, 1 Jul 2026 23:07:03 +0300 Message-ID: <20260701200703.117929-1-vz@kernel.org> X-Mailer: git-send-email 2.51.0 Precedence: bulk X-Mailing-List: dmaengine@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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 --- 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 c269d84d7bd2..f74e9a328588 100644 --- a/drivers/dma/mediatek/mtk-uart-apdma.c +++ b/drivers/dma/mediatek/mtk-uart-apdma.c @@ -531,7 +531,7 @@ 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; } -- 2.51.0