backlight: tosa_bl: use devm_ functions
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: Dmitry Baryshkov <dbaryshkov@gmail.com> Cc: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -82,8 +82,11 @@ static int __devinit tosa_bl_probe(struct i2c_client *client,
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const struct i2c_device_id *id)
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{
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struct backlight_properties props;
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struct tosa_bl_data *data = kzalloc(sizeof(struct tosa_bl_data), GFP_KERNEL);
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struct tosa_bl_data *data;
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int ret = 0;
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data = devm_kzalloc(&client->dev, sizeof(struct tosa_bl_data),
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GFP_KERNEL);
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if (!data)
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return -ENOMEM;
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@ -92,7 +95,7 @@ static int __devinit tosa_bl_probe(struct i2c_client *client,
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ret = gpio_request(TOSA_GPIO_BL_C20MA, "backlight");
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if (ret) {
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dev_dbg(&data->bl->dev, "Unable to request gpio!\n");
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goto err_gpio_bl;
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return ret;
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}
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ret = gpio_direction_output(TOSA_GPIO_BL_C20MA, 0);
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if (ret)
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@ -122,8 +125,6 @@ err_reg:
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data->bl = NULL;
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err_gpio_dir:
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gpio_free(TOSA_GPIO_BL_C20MA);
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err_gpio_bl:
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kfree(data);
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return ret;
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}
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@ -136,8 +137,6 @@ static int __devexit tosa_bl_remove(struct i2c_client *client)
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gpio_free(TOSA_GPIO_BL_C20MA);
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kfree(data);
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return 0;
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}
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