1 files changed, 1 insertions, 0 deletions
diff --git a/physmap.c b/physmap.c
index 70156a6..bd3c59b 100644
--- a/physmap.c
+++ b/physmap.c
@@ -492,6 +492,7 @@ msr_t libpayload_rdmsr(int addr)
 int libpayload_wrmsr(int addr, msr_t msr)
 {
 	_wrmsr(addr, msr.lo | ((unsigned long long)msr.hi << 32));
+	return 0;
 }
 #else
 msr_t rdmsr(int addr)