backlight: s6e63m0: replace EFAULT with EINVAL
Replace EFAULT with EINVAL, because EFAULT tends to be for the invalid memory addresses. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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892dc2e660
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81c650e3ac
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@ -515,7 +515,7 @@ static int s6e63m0_power_on(struct s6e63m0 *lcd)
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if (!pd->power_on) {
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if (!pd->power_on) {
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dev_err(lcd->dev, "power_on is NULL.\n");
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dev_err(lcd->dev, "power_on is NULL.\n");
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return -EFAULT;
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return -EINVAL;
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} else {
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} else {
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pd->power_on(lcd->ld, 1);
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pd->power_on(lcd->ld, 1);
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msleep(pd->power_on_delay);
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msleep(pd->power_on_delay);
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@ -523,7 +523,7 @@ static int s6e63m0_power_on(struct s6e63m0 *lcd)
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if (!pd->reset) {
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if (!pd->reset) {
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dev_err(lcd->dev, "reset is NULL.\n");
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dev_err(lcd->dev, "reset is NULL.\n");
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return -EFAULT;
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return -EINVAL;
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} else {
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} else {
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pd->reset(lcd->ld);
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pd->reset(lcd->ld);
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msleep(pd->reset_delay);
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msleep(pd->reset_delay);
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@ -747,7 +747,7 @@ static int s6e63m0_probe(struct spi_device *spi)
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lcd->lcd_pd = spi->dev.platform_data;
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lcd->lcd_pd = spi->dev.platform_data;
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if (!lcd->lcd_pd) {
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if (!lcd->lcd_pd) {
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dev_err(&spi->dev, "platform data is NULL.\n");
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dev_err(&spi->dev, "platform data is NULL.\n");
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return -EFAULT;
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return -EINVAL;
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}
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}
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ld = lcd_device_register("s6e63m0", &spi->dev, lcd, &s6e63m0_lcd_ops);
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ld = lcd_device_register("s6e63m0", &spi->dev, lcd, &s6e63m0_lcd_ops);
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