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 633f0d3..87831bb 100644 (file)
--- 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);