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backlight: ili9320: use devm_ functions

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The devm_ functions allocate memory that is released when a driver
detaches.  This patch uses devm_kzalloc of these functions.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jingoo Han 2012-05-29 15:07:22 -07:00 committed by Linus Torvalds
parent 06c96f189b
commit 9828eb09bf
1 changed files with 2 additions and 7 deletions
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9
drivers/video/backlight/ili9320.c
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@ -220,7 +220,7 @@ int __devinit ili9320_probe_spi(struct spi_device *spi,
/* allocate and initialse our state */
ili = kzalloc(sizeof(struct ili9320), GFP_KERNEL);
ili = devm_kzalloc(&spi->dev, sizeof(struct ili9320), GFP_KERNEL);
if (ili == NULL) {
dev_err(dev, "no memory for device\n");
return -ENOMEM;
@ -240,8 +240,7 @@ int __devinit ili9320_probe_spi(struct spi_device *spi,
lcd = lcd_device_register("ili9320", dev, ili, &ili9320_ops);
if (IS_ERR(lcd)) {
dev_err(dev, "failed to register lcd device\n");
ret = PTR_ERR(lcd);
goto err_free;
return PTR_ERR(lcd);
}
ili->lcd = lcd;
@ -259,9 +258,6 @@ int __devinit ili9320_probe_spi(struct spi_device *spi,
err_unregister:
lcd_device_unregister(lcd);
err_free:
kfree(ili);
return ret;
}
@ -272,7 +268,6 @@ int __devexit ili9320_remove(struct ili9320 *ili)
ili9320_power(ili, FB_BLANK_POWERDOWN);
lcd_device_unregister(ili->lcd);
kfree(ili);
return 0;
}