diff --git a/common/lib/tsc.c b/common/lib/tsc.c
index a9d7dee71..1def590c0 100644
--- a/common/lib/tsc.c
+++ b/common/lib/tsc.c
@@ -25,7 +25,7 @@
 
 int tsc_init(struct tsc *t)
 {
-	uint32_t eax, ebx, ecx, edx;
+	uint32_t eax = 0, ebx = 0, ecx = 0, edx = 0;
 
 	/** Check if TSC is supported */
 	__get_cpuid(0x1, &eax, &ebx, &ecx, &edx);
diff --git a/common/lib/utils.cpp b/common/lib/utils.cpp
index 52eaaa766..9ed939326 100644
--- a/common/lib/utils.cpp
+++ b/common/lib/utils.cpp
@@ -75,7 +75,7 @@ void print_version()
 ssize_t read_random(char *buf, size_t len)
 {
 	int fd;
-	ssize_t bytes;
+	ssize_t bytes = -1;
 
 	fd = open("/dev/urandom", O_RDONLY);
 	if (fd < 0)