From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f171.google.com (mail-pl1-f171.google.com [209.85.214.171]) (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 32A1E4E3231 for ; Fri, 9 Oct 2026 13:36:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.171 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791552987; cv=none; b=eP57/DH06VCUGzFjp9lmDfbXxejyR5uAMlnLW0gx3IXJMOFJ06niUelTjrtq7vpb8HQYfJKji55y0Gh7MZvsJ3A9g49P5dK3bANFWDNGiPMtIKKkUCtPzUbCseg+PyDFEEgI1VVzeibkQdfDB9Yd2nY0UtlrnHu9Bpq8731+KrI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791552987; c=relaxed/simple; bh=ZhsY1lRzQ+V6ijG3qFiS3fFgTjwYihevXL72coSCjkM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=OuQwJqQ7uxDvwbZZuhjhbyEqHWrCS4C/PU7fTD2jmHK6lotPtN8rPEs6f+gYHNJ9giXrPJaqXm+9zMYjdQddqOTfTTlxXxEAqoj0x5cl57zzz4lZyQ+kzw1kt7KV+sI5m7e6fgTCZSo9Vj2LYN4HWkk/lkFnwQrvbSLdREqINvI= 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=209.85.214.171 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-pl1-f171.google.com with SMTP id d9443c01a7336-2e8662d5e95so199395ad.0 for ; Fri, 09 Oct 2026 06:36:26 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1791552985; x=1792157785; 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=X+cLy2VGZ7LgWJ56rIrD9j476kYKycSgx/bYHSa3aYU=; b=OwFllxrK3zsGM0m8gsC+yd82z8nBEqAwhb3ChVCU6a3gYdFpKRFcGEaQIzBkA3JAXL EoDi/WqhrGuY4LUxl/1l2MyfahDChoemIZmOLPzZciL8riwtfEmU9WarENhsTFWPan0s Ae690gPgK5Vg64MDPZHg5Bf27FgosOSjV7gWWqDPSS0RvqBx5quXnxxZ9PqZRAsOmJGm 1ZrCVRpTGbZ47tSflUv/2d4ZQNTVdC44F+V2G91zAaQp/ECZFq2PQe/twa5zSfn9gpgg pH9/RXJc9y/2f02zQuLK2KPcPkO2J5c5f053dRiqACENLAmBEBWAFK5nN09mwGXR/eO4 0qcw== X-Forwarded-Encrypted: i=1; AKwUvBy3atDucs2szpG0jV9fWNrm3QAzPYnYHVuVYOwYsSojQp7b+kDpi45L3spr9Sd9U4iA+5Wa+kqqXsZyhRg=@vger.kernel.org X-Gm-Message-State: AFq9FYJJjnjlRq2SGCAUaF08PKTSaJFVeXYQgoa1GQlnCcuOvZCXUKFJ FpTdKGym572ERhc69Jshtsj5X7Q+KabiaNPEVSTM9/0XlVdXq4bPWLcK X-Gm-Gg: AYBFou2okaztjAYw6xKYHHNe4q74jt+Gy1btte+g8LmP5rHP0Q6gRuV2EbfAAsaly++ 9Ohb3OpQ5dMiVSb5M5dy45GbX88E4qNWb+13MDeXDZw7RStnsuGwtW/oTWckj+aoUACcN6Go+yx kIVvIXWtgrElrn/xoYSssz9bmsvQx3EOjICoFk6Iczdm8rwklCebKSL2qXDBE40d2uJcw4hJIc8 +ZQSSSK1KDwvuPSMFQfJdRRF8ftRgD+KLePkZtffxTAH057K+0j6A8sK4Ud91IzHZCPzyQUOagK vwbHKa/13R0FU7N5mhTS5OkDGCuv98QjvZ455iHGX7+cCD9kS66jufY5n+6pqa/EYIU1a++a00e cLs+OXPRT/5tmYjkekXH/s7pdv805dnAIoyPTHa9yjjNYhdFUDZeKtG7sMWsf0DZm4oyLmo5RXZ XoWRSDBsDEiK8CgVU0A3AJR4IyXAMSRHY9wKDqjQTmii9grd+fOPyBVUNx8J8= X-Received: by 2002:a17:902:e5d1:b0:2e2:e57f:77e0 with SMTP id d9443c01a7336-2e842ac4b98mr17744015ad.24.1791552985435; Fri, 09 Oct 2026 06:36:25 -0700 (PDT) Received: from linmach ([182.156.30.23]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2e8484c1641sm7656985ad.15.2026.10.09.06.36.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 09 Oct 2026 06:36:25 -0700 (PDT) From: Aayush Kumar To: broonie@kernel.org Cc: linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org, Aayush Kumar Subject: [PATCH 4/5] spi: omap2-mcspi: Use snprintf() instead of sprintf() Date: Fri, 9 Oct 2026 19:06:08 +0530 Message-ID: <20261009133609.579046-5-code@aayushk.dev> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261009133609.579046-1-code@aayushk.dev> References: <20261009133609.579046-1-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 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