diff options
| author | Jingoo Han <jg1.han@samsung.com> | 2013-02-07 12:27:25 +1100 |
|---|---|---|
| committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2013-02-13 19:03:03 +1100 |
| commit | 46a19df9033a9f5ea04ca7b7d2790e2907574a32 (patch) | |
| tree | 558a8def83c4416a59da19d7d35fa273968a0204 /drivers/video/backlight/ams369fg06.c | |
| parent | ec66abb5e20cbfcec710afb38b213b892b17ae50 (diff) | |
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>
Diffstat (limited to 'drivers/video/backlight/ams369fg06.c')
| -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); |