linux-kernel - [PATCH AUTOSEL 5.7 128/388] iio: buffer-dmaengine: use %zu specifier for sprintf(align)

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Message-Id: <20200618010805.600873-128-sashal@kernel.org>
Date:   Wed, 17 Jun 2020 21:03:45 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Alexandru Ardelean <alexandru.ardelean@...log.com>,
        kbuild test robot <lkp@...el.com>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        Sasha Levin <sashal@...nel.org>, linux-iio@...r.kernel.org
Subject: [PATCH AUTOSEL 5.7 128/388] iio: buffer-dmaengine: use %zu specifier for sprintf(align)

From: Alexandru Ardelean <alexandru.ardelean@...log.com>

[ Upstream commit 6eb3b8acfd079104571c207d4524743b6acc6550 ]

The 'size_t' type behaves differently on 64-bit architectures, and causes
compiler a warning of the sort "format '%u' expects argument of type
'unsigned int', but argument 3 has type 'size_t {aka long unsigned int}'".

This change adds the correct specifier for the 'align' field.

Fixes: 4538c18568099 ("iio: buffer-dmaengine: Report buffer length requirements")
Reported-by: kbuild test robot <lkp@...el.com>
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@...log.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/iio/buffer/industrialio-buffer-dmaengine.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iio/buffer/industrialio-buffer-dmaengine.c b/drivers/iio/buffer/industrialio-buffer-dmaengine.c
index b129693af0fd..94da3b1ca3a2 100644
--- a/drivers/iio/buffer/industrialio-buffer-dmaengine.c
+++ b/drivers/iio/buffer/industrialio-buffer-dmaengine.c
@@ -134,7 +134,7 @@ static ssize_t iio_dmaengine_buffer_get_length_align(struct device *dev,
 	struct dmaengine_buffer *dmaengine_buffer =
 		iio_buffer_to_dmaengine_buffer(indio_dev->buffer);
 
-	return sprintf(buf, "%u\n", dmaengine_buffer->align);
+	return sprintf(buf, "%zu\n", dmaengine_buffer->align);
 }
 
 static IIO_DEVICE_ATTR(length_align_bytes, 0444,
-- 
2.25.1