diff --git a/src/stack_check.h b/src/stack_check.h
index d2294a2cd0160c3697b37cd36cfe7d1900b1a76c..67aaaa94b53a3049ae1f62a8c36eb18917e05b8e 100644
--- a/src/stack_check.h
+++ b/src/stack_check.h
@@ -46,7 +46,7 @@ static void stack_check_init(void)
 
 static int stack_check_fn(unsigned long *entries, unsigned int nr_entries, bool install)
 {
-	int i, ret;
+	int i;
 	unsigned long *func_addr;
 	unsigned long *func_size;
 
@@ -60,6 +60,7 @@ static int stack_check_fn(unsigned long *entries, unsigned int nr_entries, bool
 
 	for (i = 0; i < nr_entries; i++) {
 		int idx;
+		unsigned long address = entries[i];
 
 		idx = bsearch(func_addr, 0, NR_INTERFACE_FN - 1, address);
 		if (idx == -1)