linux-kernel - [PATCH 3.19 068/177] IIO: si7020: Allocate correct amount of memory in devm_iio_device

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Message-Id: <20150316140816.191865001@linuxfoundation.org>
Date:	Mon, 16 Mar 2015 15:07:55 +0100
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Andrey Smirnov <andrew.smirnov@...il.com>,
	Jonathan Cameron <jic23@...nel.org>
Subject: [PATCH 3.19 068/177] IIO: si7020: Allocate correct amount of memory in devm_iio_device_alloc

3.19-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Andrey Smirnov <andrew.smirnov@...il.com>

commit e01becbad300712a28f29b666e685536f45e83bc upstream.

Since only a pointer to struct i2c_client is stored in a private area
of IIO device created by the driver there's no need to allocate
sizeof(struct i2c_client) worth of storage.

Pushed to stable as this is linked to the revert patch previously.
Without this followup the original patch looks sensible.

Signed-off-by: Andrey Smirnov <andrew.smirnov@...il.com>
Signed-off-by: Jonathan Cameron <jic23@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/iio/humidity/si7020.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/iio/humidity/si7020.c
+++ b/drivers/iio/humidity/si7020.c
@@ -126,7 +126,7 @@ static int si7020_probe(struct i2c_clien
 	/* Wait the maximum power-up time after software reset. */
 	msleep(15);
 
-	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*client));
+	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));
 	if (!indio_dev)
 		return -ENOMEM;
 


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