From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Mon, 14 May 2012 10:37:09 +0000 (+0100)
Subject: regulator: wm831x-dcdc: Add missing checks for pdata before use
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=f0b067d9b6474e5309dd47ab30264cd0a48d4963;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

regulator: wm831x-dcdc: Add missing checks for pdata before use

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---

diff --git a/drivers/regulator/wm831x-dcdc.c b/drivers/regulator/wm831x-dcdc.c
index 8710cfb0c19b..a885911bb5fc 100644
--- a/drivers/regulator/wm831x-dcdc.c
+++ b/drivers/regulator/wm831x-dcdc.c
@@ -518,7 +518,7 @@ static __devinit int wm831x_buckv_probe(struct platform_device *pdev)
 	}
 	dcdc->dvs_vsel = ret & WM831X_DC1_DVS_VSEL_MASK;
 
-	if (pdata->dcdc[id])
+	if (pdata && pdata->dcdc[id])
 		wm831x_buckv_dvs_init(dcdc, pdata->dcdc[id]->driver_data);
 
 	config.dev = pdev->dev.parent;
@@ -846,7 +846,8 @@ static __devinit int wm831x_boostp_probe(struct platform_device *pdev)
 	dcdc->desc.enable_mask = 1 << id;
 
 	config.dev = pdev->dev.parent;
-	config.init_data = pdata->dcdc[id];
+	if (pdata)
+		config.init_data = pdata->dcdc[id];
 	config.driver_data = dcdc;
 	config.regmap = wm831x->regmap;