linux-kernel - [PATCH 4/6] backlight: s6e63m0: replace EFAULT with EINVAL

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Message-id: <000c01cdde7c$2b5627f0$820277d0$%han@samsung.com>
Date:	Thu, 20 Dec 2012 15:35:14 +0900
From:	Jingoo Han <jg1.han@...sung.com>
To:	'Andrew Morton' <akpm@...ux-foundation.org>,
	'LKML' <linux-kernel@...r.kernel.org>
Cc:	'Richard Purdie' <rpurdie@...ys.net>,
	'Jingoo Han' <jg1.han@...sung.com>
Subject: [PATCH 4/6] backlight: s6e63m0: replace EFAULT with EINVAL

This patch replaces EFAULT with EINVAL, because EFAULT tends to be
for the invalid memory addresses.

Signed-off-by: Jingoo Han <jg1.han@...sung.com>
---
 drivers/video/backlight/s6e63m0.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/video/backlight/s6e63m0.c b/drivers/video/backlight/s6e63m0.c
index 633f0d3..87831bb 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);
-- 
1.7.2.5


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