From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-dy1-f172.google.com (mail-dy1-f172.google.com [74.125.82.172]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C06AE2989B5 for ; Sat, 10 Oct 2026 08:35:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.82.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791621321; cv=none; b=KAtecAZMIdJaS5XC4r7/73WqpwE2PB7eEeKTSl6iB8HZymil1mwcRVF/kbBwP60FVJNzYOTueyi2ryHq1hWsmaG5aBSUJFtg1NdYAIW8whnYr2wblXMcRxgk+UsL917OEMAkLs0Pg70AsM8+ctwZzLtKkEApWNGQOeY+I++fWIo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791621321; c=relaxed/simple; bh=1kRF5VOmfeAPBhGf6I8e3OR35yHYRa7vHOBMANSzLvo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=KgnMtm11qC4HYdYcRoVIt8/7/bROD0lEmWSf6JSWDNE+q6vSGm2R2wzo318Sf2ePT+i2x5XFuWdappVXHoQQBz6WSCMmWxR3S+DwZWIuhfGJuR+243XIevI9tVDL13uUTdIMAJPku8VrFL4uxkrDc7tDM7QqOrX0QZ7iRZGgK7U= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=aayushk.dev; spf=pass smtp.mailfrom=gmail.com; arc=none smtp.client-ip=74.125.82.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=aayushk.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-dy1-f172.google.com with SMTP id 5a478bee46e88-33c2520ad38so949736eec.1 for ; Sat, 10 Oct 2026 01:35:18 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1791621318; x=1792226118; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to:content-type; bh=vd6PvYub55DkYTK4Z2RMOKatSjX+x4KShfXJLN8v41I=; b=Y/t7ztiA5BpK+M6hLOQo1jiLKApECkUqka6XvJ8Fw/q/PlCPuNZuBuxFOuXLLs4zXf eShivEUeB/Lj842Lc0wS/+cEjQDIgf6yoe0zbJrAu5i6+KMbq00VaLV4QwNuo5+OYj44 ngAyvzIeM6QiyqL43K9Hy+uOSaSpNS246ef5IdXXKNPIUaBgpPwrA41rpnn9gaH1szOY 9KJPYdkcCw61pwUZrishgCjznP/zH/2IiawllFsBCUPwLQ5np8dL+tQ4l2FOKW0WQzgq gd2m5XYzkUIvhwhUvt+hQX3lVARg4UyXT+gm3+hSP0BiIEhXkMuH7EKpC//kjBkNTDJL TMIw== X-Forwarded-Encrypted: i=1; AKwUvByk8ip6U6rWnSq3OlvYGGcTdXRe2H0gBjpdNLemLAg25rgCu1FfVroqe+jZBtppYvm1JaX76n6dPuVEC0o=@vger.kernel.org X-Gm-Message-State: AFq9FYJ0n/qmjoZCj/bFAnUdXLEchJvjHbknYp7YDjQpxUu+YJqhFsEc MQH3zFmKWLQjiRBnlbPj2YIbKfiPYfOaA7K3xVK4WaN2bof+z2V6OJXj X-Gm-Gg: AYBFou2Ba7d7pnlS5Z50O0B5nUBhtwK/U5XzGekGoqGBySo/qLyocEkzaKIGjyjowVq givp3eMnc/qGtR8VT/50r3tpWYc6AwNFa7T15L0lQhdOCdMVm0S6rBg/YScGC8KHtCQFnSfQTg3 4urgYwqEc3/V6YLjP98JxSLYKlEY5fQL2kxo+u6fvz4+s3uQPEBRwLi8+5ePTK3wVT7wHKek7fS a7SPB98ZnTjwZZy9ndJcAnL4xI96SzmO3GojzZJhSKh9dHHWGLpj/klmLJABy86nKCcK4URzTXg gBY8zSpiThD/Ci+gPw4NSm6lzt/FN9VtWBoTiAxZ0iMjRJEYt1eJboMin+/UI72SKyIcP+UgHrE 6bvLgiAHbGevZ/vkMwsIHDQq1/CzbnBlJ1B7i7/Wkgzq1LH1yYEtzNItRCr2ok4O3vGFWwtDvt3 DJxqiQJRi5G8JMnBH9+M8Wl/jqp2FaeL02Eovqil8IUH9FIx5eUZMRaHIB398= X-Received: by 2002:a05:7301:1629:b0:356:9345:9da6 with SMTP id 5a478bee46e88-3569345a800mr3369002eec.2.1791621317730; Sat, 10 Oct 2026 01:35:17 -0700 (PDT) Received: from linmach ([182.156.30.23]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-3537c841579sm12689858eec.4.2026.10.10.01.35.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 10 Oct 2026 01:35:17 -0700 (PDT) From: Aayush Kumar To: Mark Brown Cc: David Laight , linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org, Aayush Kumar Subject: [PATCH v2 2/3] spi: omap2-mcspi: Use snprintf() instead of sprintf() Date: Sat, 10 Oct 2026 14:05:03 +0530 Message-ID: <20261010083504.26261-3-code@aayushk.dev> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261010083504.26261-1-code@aayushk.dev> References: <20261010083504.26261-1-code@aayushk.dev> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Aayush Kumar Use snprintf() instead of sprintf() to avoid potential buffer overflows when formatting DMA channel names. Signed-off-by: Aayush Kumar --- drivers/spi/spi-omap2-mcspi.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/spi/spi-omap2-mcspi.c b/drivers/spi/spi-omap2-mcspi.c index a3355147f..311ee0ca9 100644 --- a/drivers/spi/spi-omap2-mcspi.c +++ b/drivers/spi/spi-omap2-mcspi.c @@ -1544,8 +1544,10 @@ static int omap2_mcspi_probe(struct platform_device *pdev) return -ENOMEM; for (i = 0; i < ctlr->num_chipselect; i++) { - sprintf(mcspi->dma_channels[i].dma_rx_ch_name, "rx%d", i); - sprintf(mcspi->dma_channels[i].dma_tx_ch_name, "tx%d", i); + snprintf(mcspi->dma_channels[i].dma_rx_ch_name, + sizeof(mcspi->dma_channels[i].dma_rx_ch_name), "rx%d", i); + snprintf(mcspi->dma_channels[i].dma_tx_ch_name, + sizeof(mcspi->dma_channels[i].dma_tx_ch_name), "tx%d", i); status = omap2_mcspi_request_dma(mcspi, &mcspi->dma_channels[i]); -- 2.56.0