The patch titled Subject: backlight: ams369fg06: remove unnecessary NULL deference check has been added to the -mm tree. Its filename is backlight-ams369fg06-remove-unnecessary-null-deference-check.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Jingoo Han <jg1.han@xxxxxxxxxxx> Subject: 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@xxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- drivers/video/backlight/ams369fg06.c | 32 ++++++------------------- 1 file changed, 8 insertions(+), 24 deletions(-) diff -puN drivers/video/backlight/ams369fg06.c~backlight-ams369fg06-remove-unnecessary-null-deference-check drivers/video/backlight/ams369fg06.c --- a/drivers/video/backlight/ams369fg06.c~backlight-ams369fg06-remove-unnecessary-null-deference-check +++ a/drivers/video/backlight/ams369fg06.c @@ -314,26 +314,17 @@ static int ams369fg06_ldi_disable(struct 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 am 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 a 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_d lcd->power = FB_BLANK_POWERDOWN; ams369fg06_power(lcd, FB_BLANK_UNBLANK); - } else + } else { lcd->power = FB_BLANK_UNBLANK; + } dev_set_drvdata(&spi->dev, lcd); _ Patches currently in -mm which might be from jg1.han@xxxxxxxxxxx are origin.patch backlight-add-lms501kf03-lcd-driver.patch backlight-add-lms501kf03-lcd-driver-fix.patch backlight-ld9040-use-sleep-instead-of-delay.patch backlight-ld9040-remove-unnecessary-null-deference-check.patch backlight-ld9040-replace-efault-with-einval.patch backlight-ld9040-remove-redundant-return-variables.patch backlight-ld9040-reorder-inclusions-of-linux-xxxh.patch backlight-s6e63m0-use-lowercase-names-of-structs.patch backlight-s6e63m0-use-sleep-instead-of-delay.patch backlight-s6e63m0-remove-unnecessary-null-deference-check.patch backlight-s6e63m0-replace-efault-with-einval.patch backlight-s6e63m0-remove-redundant-variable-before_power.patch backlight-s6e63m0-reorder-inclusions-of-linux-xxxh.patch backlight-ams369fg06-use-sleep-instead-of-delay.patch backlight-ams369fg06-remove-unnecessary-null-deference-check.patch backlight-ams369fg06-replace-efault-with-einval.patch backlight-ams369fg06-remove-redundant-variable-before_power.patch backlight-ams369fg06-reorder-inclusions-of-linux-xxxh.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html