OMAP3+: VP: update_errorgain(): return error if VP
Add check for valid VP in omap_vp_update_errorgain()
Signed-off-by: Kevin Hilman <khilman@ti.com>
diff --git a/arch/arm/mach-omap2/vp.c b/arch/arm/mach-omap2/vp.c
index 3807620..29698ac 100644
--- a/arch/arm/mach-omap2/vp.c
+++ b/arch/arm/mach-omap2/vp.c
@@ -103,6 +103,9 @@
{
struct omap_volt_data *volt_data;
+ if (!voltdm->vp)
+ return -EINVAL;
+
/* Get volt_data corresponding to target_volt */
volt_data = omap_voltage_get_voltdata(voltdm, target_volt);
if (IS_ERR(volt_data))