From: Jingoo Han <jg1.han@samsung.com>
Date: Fri, 22 Feb 2013 00:43:24 +0000 (-0800)
Subject: backlight: s6e63m0: replace EFAULT with EINVAL
X-Git-Tag: firefly_0821_release~3680^2~1067^2~93
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=81c650e3accca9ca20232e96058aa759ceae06a5;p=firefly-linux-kernel-4.4.55.git

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>
---

diff --git a/drivers/video/backlight/s6e63m0.c b/drivers/video/backlight/s6e63m0.c
index 633f0d3fd6f7..87831bba7a89 100644
--- a/drivers/video/backlight/s6e63m0.c
+++ b/drivers/video/backlight/s6e63m0.c
@@ -515,7 +515,7 @@ static int s6e63m0_power_on(struct s6e63m0 *lcd)
 
 	if (!pd->power_on) {
 		dev_err(lcd->dev, "power_on is NULL.\n");
-		return -EFAULT;
+		return -EINVAL;
 	} else {
 		pd->power_on(lcd->ld, 1);
 		msleep(pd->power_on_delay);
@@ -523,7 +523,7 @@ static int s6e63m0_power_on(struct s6e63m0 *lcd)
 
 	if (!pd->reset) {
 		dev_err(lcd->dev, "reset is NULL.\n");
-		return -EFAULT;
+		return -EINVAL;
 	} else {
 		pd->reset(lcd->ld);
 		msleep(pd->reset_delay);
@@ -747,7 +747,7 @@ static int s6e63m0_probe(struct spi_device *spi)
 	lcd->lcd_pd = spi->dev.platform_data;
 	if (!lcd->lcd_pd) {
 		dev_err(&spi->dev, "platform data is NULL.\n");
-		return -EFAULT;
+		return -EINVAL;
 	}
 
 	ld = lcd_device_register("s6e63m0", &spi->dev, lcd, &s6e63m0_lcd_ops);