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| author | Jingoo Han <jg1.han@samsung.com> | 2013-02-21 16:43:28 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-02-21 17:22:22 -0800 |
| commit | 66ecc11dfc3c9b47f9f78b7455c3d498329e891a (patch) | |
| tree | 20700ec243b01e9b574fb58a4e7bc461786a4923 | |
| parent | 51976436169ebb607e16a971e3a391480de710d1 (diff) | |
| download | linux-66ecc11dfc3c9b47f9f78b7455c3d498329e891a.tar.gz linux-66ecc11dfc3c9b47f9f78b7455c3d498329e891a.tar.bz2 linux-66ecc11dfc3c9b47f9f78b7455c3d498329e891a.zip | |
backlight: ams369fg06: remove unnecessary NULL deference check
Remove unnecessary NULL deference check, because it was already checked in
ams369fg06_probe(). Also, unnecessary parentheses are removed in
ams369fg06_power_is_on().
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>
| -rw-r--r-- | drivers/video/backlight/ams369fg06.c | 32 |
1 files changed, 8 insertions, 24 deletions
diff --git a/drivers/video/backlight/ams369fg06.c b/drivers/video/backlight/ams369fg06.c index 55b27921bf9e..b4bf130bc203 100644 --- a/drivers/video/backlight/ams369fg06.c +++ b/drivers/video/backlight/ams369fg06.c @@ -314,26 +314,17 @@ static int ams369fg06_ldi_disable(struct ams369fg06 *lcd) static int ams369fg06_power_is_on(int power) { - return ((power) <= FB_BLANK_NORMAL); + return power <= FB_BLANK_NORMAL; } static int ams369fg06_power_on(struct ams369fg06 *lcd) { int ret = 0; - struct lcd_platform_data *pd = NULL; - struct backlight_device *bd = NULL; + struct lcd_platform_data *pd; + struct backlight_device *bd; pd = lcd->lcd_pd; - if (!pd) { - dev_err(lcd->dev, "platform data is NULL.\n"); - return -EFAULT; - } - bd = lcd->bd; - if (!bd) { - dev_err(lcd->dev, "backlight device is NULL.\n"); - return -EFAULT; - } if (!pd->power_on) { dev_err(lcd->dev, "power_on is NULL.\n"); @@ -375,14 +366,10 @@ static int ams369fg06_power_on(struct ams369fg06 *lcd) static int ams369fg06_power_off(struct ams369fg06 *lcd) { - int ret = 0; - struct lcd_platform_data *pd = NULL; + int ret; + struct lcd_platform_data *pd; pd = lcd->lcd_pd; - if (!pd) { - dev_err(lcd->dev, "platform data is NULL\n"); - return -EFAULT; - } ret = ams369fg06_ldi_disable(lcd); if (ret) { @@ -392,11 +379,7 @@ static int ams369fg06_power_off(struct ams369fg06 *lcd) msleep(pd->power_off_delay); - if (!pd->power_on) { - dev_err(lcd->dev, "power_on is NULL.\n"); - return -EFAULT; - } else - pd->power_on(lcd->ld, 0); + pd->power_on(lcd->ld, 0); return 0; } @@ -535,8 +518,9 @@ static int ams369fg06_probe(struct spi_device *spi) lcd->power = FB_BLANK_POWERDOWN; ams369fg06_power(lcd, FB_BLANK_UNBLANK); - } else + } else { lcd->power = FB_BLANK_UNBLANK; + } dev_set_drvdata(&spi->dev, lcd); |