btpower: fix kwlock issues

This change fixes kwlock issues.

Change-Id: I095f4b1c34f1541789112ccaed8ea5bc4fa99792
Signed-off-by: Balakrishna Godavarthi <[email protected]>

pwr/btpower.c

@@ -1661,8 +1661,10 @@ EXPORT_SYMBOL(btpower_get_chipset_version);
 static void set_pwr_srcs_status (struct vreg_data *handle, int core_type) {
 	int power_src_state;
 
-	if (!handle)
+	if (!handle) {
 		pr_err("%s: invalid handler received \n", __func__);
+		return;
+	}
 
 	if (handle->is_enabled)
 		power_src_state = (int)regulator_get_voltage(handle->reg);