From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pg1-f179.google.com (mail-pg1-f179.google.com [209.85.215.179]) (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 CACD5322533 for ; Mon, 6 Apr 2026 09:53:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.215.179 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775469212; cv=none; b=PlxoFDSER4E8r2oFRzFukAOWAdKFCkzTNxkKi9L3HYgFuZwXZaIDfKa1x/C6WBO2vQFOcPh6rwq9uM6vt8/fZ8ScDK7STA1KiTVayFKKJTKhcerrTgCD97G9zLaG46JlhhCHEfbmEwNyjIc58iCj1Gm/q4lBjcR07yNlNRqKwtE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775469212; c=relaxed/simple; bh=p3Z5iwwt2x1cfUh6k4iuWdT2PgE8N5k2s1aejSqeTb0=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=b22bycSk1OFEtKW1HqrAog7tGTKsvQ8fr6BpWWSh0D0nbIDwn6QT9jnkiFjnjjb41uzjbIk5BAMSHRefJPJpaPgnBMhwTXIJ7IHmSn/Nkm2ZHjzI16w7Lrsyj0ICGrKN5p1ID648kWzX5RqI/kXC+UaJZirhs1wuy4gaTRzhFTo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=h0StChN4; arc=none smtp.client-ip=209.85.215.179 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="h0StChN4" Received: by mail-pg1-f179.google.com with SMTP id 41be03b00d2f7-c6e2355739dso1567825a12.2 for ; Mon, 06 Apr 2026 02:53:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1775469211; x=1776074011; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=rrLPu5HoxohUMC5Klt/th0tPKP7dSiS9AP+Vq6CTnZ0=; b=h0StChN4KbHSY5g5buTKt05Yt8j3t9RuRPYsspDC/NRJzkx6SLRw6EYvjVn3nUfKzQ qQw7Cu0ML5rzH8Q7x1CiObGZqT0m7yzbzcZLsbUmbgnjcs0QBi9xiXSoT9pvOANaUVCD aqV2sayoCFY9iRK2tsH3SRuBSUK5zujBl12BlH0PVfIEwlZa4Ci5Q/QHhYNM1ysZKRke q4ZcITGFfPDWd8msqDEnYsFppmBg8Ou/CDKpL/Zw+QRNv7UKXCTbJA6Bqqlj6sMbHSLC /i+0XaTzcWRiAMARgCAcwmL1luAt8Yh12TvunBuvOH8eFSz5KKfmJ321liwhPQQd5Cec bS3A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1775469211; x=1776074011; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=rrLPu5HoxohUMC5Klt/th0tPKP7dSiS9AP+Vq6CTnZ0=; b=asHEq5enmnWNhEaoJl7RT+QItP1jB4jFIIp0SvNZMtj3n5CZx9MP4wIJNbdlnnnf2K 95SMFoKvtGDjdza4aryrrqfaoSdQ4yUOifJ91bp1aMUxIXYacUDwux6cBUHSpXcaxeXZ 0//80zXnRFqRpABxGNCMI3/1o144AVqB81I9FK354a1zhHQOKFcLm8xFF1+mPahg/drG rVu0PvirtNgWMQn2lhHDl/DZKsLvW6TGBx/YnFLxHvEb2bsuhH5eAu0KORfnXoAp8aIg 4s6MA3w+GXPWjuDKeSmxQhHbq7a0qXkiN5QqKLQ7cDQCfrRwz9n9KxSNdY3OkM+sOloH YJTA== X-Forwarded-Encrypted: i=1; AJvYcCUfT3Og9v6OdV390SiN/HlDWyV470cTltXH6jYl9Ee9zYqmDpdzzGMdupxxT8EvoGPMVl1iS9o25iU=@vger.kernel.org X-Gm-Message-State: AOJu0Yz8ZzHGIBsT3nWNUBkIbF/gv0eebglLJpL3X/mzVuB9imSHsL7X 9GfD43DY0uPel9vQYcsfiVcIvyRH9BzAa9b1xHBWx3r71qccyPsbWsQp X-Gm-Gg: AeBDiev7X4NuBkrZ7cGhc32WTaOKsDUNOoZB6X42XNoR0i6sxG1NhZdvJ7yX0/9OB5c QrJRNfgbZsRCVFAz4BmFoIuf4R+Vw5H5P5sytrS4awHZa2SKxbvYN5Meh+ONmWKlXU6rusR+PPg iZm4VHx8EHtgjxfiLmShUiKZZ/9ERqPoD7oDWYdnzmcyFMN/UuqOSok9tZEGFoqN+jfyAOeiMvA XE4Jr9OZzvhtMwAvZori1LU0P+BQgapUJ2FJu7ldD0eQZBL6BMr1hGFeR1AFoGw5ctYALuDnrom S6nIUpo6qSow+n1DjN1+OklH4xH8r5dLgTZ7mCnnydaHY4gEKTh6UgPTcHjv16WBzc50ZZ+aBOE WqL8B9w9lfbMozxcTy/z3FPyg7KU7/bqms+5I9jXhTqeJpVJARxbE2Mqr3Ddbqxp0aonwweyKOZ 4WEFVojzhdxS6qPWVjJXy1DATSQTsOsfK8HYGgJCuXHjGQoqRmisrbXXCMnCu3O6kQrEL0o12aZ JcVzWg8bIkHKw68MbbD X-Received: by 2002:a05:6a20:3d05:b0:39b:fad0:6edc with SMTP id adf61e73a8af0-39f2edaab1emr12537381637.6.1775469211105; Mon, 06 Apr 2026 02:53:31 -0700 (PDT) Received: from localhost.localdomain ([103.129.135.44]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-82cf9ca1f28sm14214369b3a.57.2026.04.06.02.53.28 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Mon, 06 Apr 2026 02:53:30 -0700 (PDT) From: Shuvam Pandey To: Jonathan Cameron , David Lechner Cc: =?UTF-8?q?Nuno=20S=C3=A1?= , Andy Shevchenko , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Shuvam Pandey Subject: [PATCH] iio: adc: nxp-sar-adc: zero-initialize dma_slave_config Date: Mon, 6 Apr 2026 15:38:24 +0545 Message-ID: <20260406095324.99671-1-shuvampandey1@gmail.com> X-Mailer: git-send-email 2.50.0 Precedence: bulk X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit nxp_sar_adc_start_cyclic_dma() only fills the RX-side members of dma_slave_config before passing it to dmaengine_slave_config(). Zero-initialize the structure so unused members do not contain stack garbage. Some DMA engines consult optional dma_slave_config fields, so leaving them uninitialized can cause DMA setup failures. Fixes: 4434072a893e ("iio: adc: Add the NXP SAR ADC support for the s32g2/3 platforms") Signed-off-by: Shuvam Pandey --- drivers/iio/adc/nxp-sar-adc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/adc/nxp-sar-adc.c b/drivers/iio/adc/nxp-sar-adc.c index 9efa883c277d..7d7b5a580167 100644 --- a/drivers/iio/adc/nxp-sar-adc.c +++ b/drivers/iio/adc/nxp-sar-adc.c @@ -659,7 +659,7 @@ static void nxp_sar_adc_dma_cb(void *data) static int nxp_sar_adc_start_cyclic_dma(struct iio_dev *indio_dev) { struct nxp_sar_adc *info = iio_priv(indio_dev); - struct dma_slave_config config; + struct dma_slave_config config = {}; struct dma_async_tx_descriptor *desc; int ret; -- 2.50.0