backlight/pcf50633: check for NULL consistently in pcf50633_bl_probe()

Commit Message

Dan Carpenter March 29, 2011, 3:20 a.m. UTC

None

Patch

diff --git a/drivers/video/backlight/pcf50633-backlight.c b/drivers/video/backlight/pcf50633-backlight.c
index ef5628d..0fe934f 100644
--- a/drivers/video/backlight/pcf50633-backlight.c
+++ b/drivers/video/backlight/pcf50633-backlight.c
@@ -136,7 +136,9 @@  static int __devinit pcf50633_bl_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, pcf_bl);
 
-	pcf50633_reg_write(pcf_bl->pcf, PCF50633_REG_LEDDIM, pdata->ramp_time);
+	if (pdata)
+		pcf50633_reg_write(pcf_bl->pcf, PCF50633_REG_LEDDIM,
+					pdata->ramp_time);
 
 	/* Should be different from bl_props.brightness, so we do not exit
 	 * update_status early the first time it's called */