From: Kevin Hilman <khilman@ti.com>
Date: Mon, 18 Jul 2011 22:31:43 +0000 (-0700)
Subject: OMAP3+: VP: update_errorgain(): return error if VP
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=8798c4ab56d8f726092870cb2cf15c5a7a0a93bf;p=mv-sheeva.git

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 38076205312..29698acc2ae 100644
--- a/arch/arm/mach-omap2/vp.c
+++ b/arch/arm/mach-omap2/vp.c
@@ -103,6 +103,9 @@ int omap_vp_update_errorgain(struct voltagedomain *voltdm,
 {
 	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))