From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 A4C3C335BA3; Mon, 18 Aug 2025 13:51:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755525087; cv=none; b=XtSg9A9JnrepDWuhDU98E0+wB+SRMaaODEZknL8d6hUZRO84+IweAB252XZRaEJe+QVuV0Mqxk994ZUnSqp+Jpwkt27vpODFKFoUIPHAXCoxoUtXC8HuJsklKounyxSHpIfYcBpr0BOqV0ZD0RBAY+Ss3mRTH0uGCuNM3tr9zRA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755525087; c=relaxed/simple; bh=JHCiqtYPKPvf93Z75QBJMSi/qCXtSNe3AFDOXgwkqEE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=AQu8aHOUVABvmhvg4pOudhh1QE9b35iLWWUEeIMHbFXToKQ5a+W8FIrxf3K7kL4clldXa/FGbng5qX04TW9APy472wtaPRqyX0Z+nCen8a67+eskCXqUTDFJBLctFwXAKHf8TEhGDUftMf0oce+wOcNg6jCPvPmI3DKCD+tuCGQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=xS2oCVvg; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="xS2oCVvg" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 27D1FC4CEEB; Mon, 18 Aug 2025 13:51:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1755525087; bh=JHCiqtYPKPvf93Z75QBJMSi/qCXtSNe3AFDOXgwkqEE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=xS2oCVvgQkmBZbTfHp8kT5o42wRsRK/npTGAe1IL/YfneqcgWm/KbL+7E+v5qu0u4 xJRc+It5VutBdhBCRp/T6yf78sLmvapIMpsPlkIjn9VhBNjv+TFepdA6grD0myb9AO hSBpJM87jjZ5yNnP2AryU3vRgw7N2AjRqNZ5ns1Q= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, David Lechner , Andy Shevchenko , =?UTF-8?q?Nuno=20S=C3=A1?= , Jonathan Cameron , Sasha Levin Subject: [PATCH 6.16 154/570] iio: adc: ad_sigma_delta: dont overallocate scan buffer Date: Mon, 18 Aug 2025 14:42:21 +0200 Message-ID: <20250818124511.747179880@linuxfoundation.org> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250818124505.781598737@linuxfoundation.org> References: <20250818124505.781598737@linuxfoundation.org> User-Agent: quilt/0.68 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-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 6.16-stable review patch. If anyone has any objections, please let me know. ------------------ From: David Lechner [ Upstream commit 5a2f15c5a8e017d0951e6dc62aa7b5b634f56881 ] Fix overallocating the size of the scan buffer by converting bits to bytes. The size is meant to be in bytes, so scanbits needs to be divided by 8. Signed-off-by: David Lechner Reviewed-by: Andy Shevchenko Reviewed-by: Nuno Sá Link: https://patch.msgid.link/20250701-iio-adc-ad7173-add-spi-offload-support-v3-1-42abb83e3dac@baylibre.com Signed-off-by: Jonathan Cameron Signed-off-by: Sasha Levin --- drivers/iio/adc/ad_sigma_delta.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/adc/ad_sigma_delta.c b/drivers/iio/adc/ad_sigma_delta.c index 4c5f8d29a559..6b3ef7ef403e 100644 --- a/drivers/iio/adc/ad_sigma_delta.c +++ b/drivers/iio/adc/ad_sigma_delta.c @@ -489,7 +489,7 @@ static int ad_sd_buffer_postenable(struct iio_dev *indio_dev) return ret; } - samples_buf_size = ALIGN(slot * indio_dev->channels[0].scan_type.storagebits, 8); + samples_buf_size = ALIGN(slot * indio_dev->channels[0].scan_type.storagebits / 8, 8); samples_buf_size += sizeof(int64_t); samples_buf = devm_krealloc(&sigma_delta->spi->dev, sigma_delta->samples_buf, samples_buf_size, GFP_KERNEL); -- 2.39.5