linux-kernel - [PATCH 3/5] backlight: ld9040: replace EFAULT with EINVAL

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Message-id: <001101cdde7c$96cb4fb0$c461ef10$%han@samsung.com>
Date:	Thu, 20 Dec 2012 15:38:15 +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 3/5] backlight: ld9040: 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/ld9040.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/video/backlight/ld9040.c b/drivers/video/backlight/ld9040.c
index 45f795a..fd7bb1c 100644
--- a/drivers/video/backlight/ld9040.c
+++ b/drivers/video/backlight/ld9040.c
@@ -583,7 +583,7 @@ static int ld9040_power_on(struct ld9040 *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);
@@ -724,7 +724,7 @@ static int ld9040_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;
 	}
 
 	mutex_init(&lcd->lock);
-- 
1.7.2.5


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