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 45F3C38656D; Sat, 12 Sep 2026 18:37:57 +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=1789238278; cv=none; b=VP3V6gvKJxcR5VbRLEECKy5slp9c6caGfCCjvKQ1EqzILgHG7AH0B29lFuHpzfE7WTpkdsvOyqKiVSFQb+xmdJl9cupxquUTnAfJwlzlRuCGLnxUGliUnOhueRgbZmDXbEoo/yPQJMH32BaZKaSKrIQVZDelmWpilzY//sbFv4Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789238278; c=relaxed/simple; bh=u/XyKLIErBeqX18/3pWOvsEE7jzhdyfYKmoDFMRhQ0U=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Jhw9IcrcP/M3CSohILkIx8ap09bgv9QH5scv7GQNZR3xAa70EMu6gm6znmLvBw3Jl5SbxklyqM5TuK+xE+P+ATXsv2fi5L7U9L0Li8uM2Kxo4TLjQS7YPJrJD6lKPwLdFqYSdXki6pjVGMC+KqnvFtos4RHAKvDn+62MHsxqqLs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=VD2cvH1h; 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="VD2cvH1h" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 49CE21F000FF; Sat, 12 Sep 2026 18:37:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1789238277; bh=xZ+7wzd22OdKyBjQB715odGfTSCtG68zMYY8dMAUmng=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=VD2cvH1hKT+PyJxhDOV26JaNibEgpzrxURq3SenhO4alZ1z8FfnitUalbz7vUyp2+ KsuTDztq/ij9Fr4aEMr7QPMv+vTfeK7sJZDbFQshXt9nzTblvtiuiycPvNp+HPSslJ 1TFNPX8dkR/jqHbzMPAdBE1oY1F2icojMPKVbdoY= 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 5.15 428/935] dmaengine: mediatek: mtk-uart-apdma: Return -ENOMEM on memory allocation failure Date: Sat, 12 Sep 2026 08:57:38 +0200 Message-ID: <20260912065536.644585408@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260912065526.833703348@linuxfoundation.org> References: <20260912065526.833703348@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 5.15-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 c1e132a110ffb..20d196b766835 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; } -- 2.53.0