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backlight: lms283gf05: 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 <[email protected]>
Acked-by: Marek Vasut <[email protected]>
Cc: Richard Purdie <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Jingoo Han 2012-05-29 15:07:23 -07:00 • committed by Linus Torvalds
commit 26f2b35c1e
1 changed files with 3 additions and 6 deletions
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9
drivers/video/backlight/lms283gf05.c
View file

@ -168,7 +168,8 @@ static int __devinit lms283gf05_probe(struct spi_device *spi)
goto err;
}
st = kzalloc(sizeof(struct lms283gf05_state), GFP_KERNEL);
st = devm_kzalloc(&spi->dev, sizeof(struct lms283gf05_state),
GFP_KERNEL);
if (st == NULL) {
dev_err(&spi->dev, "No memory for device state\n");
ret = -ENOMEM;
@ -178,7 +179,7 @@ static int __devinit lms283gf05_probe(struct spi_device *spi)
ld = lcd_device_register("lms283gf05", &spi->dev, st, &lms_ops);
if (IS_ERR(ld)) {
ret = PTR_ERR(ld);
goto err2;
goto err;
}
st->spi = spi;
@ -193,8 +194,6 @@ static int __devinit lms283gf05_probe(struct spi_device *spi)
return 0;
err2:
kfree(st);
err:
if (pdata != NULL)
gpio_free(pdata->reset_gpio);
@ -212,8 +211,6 @@ static int __devexit lms283gf05_remove(struct spi_device *spi)
if (pdata != NULL)
gpio_free(pdata->reset_gpio);
kfree(st);
return 0;
}