diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index dba6541c0fc3..c8e62458d323 100644
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -1632,8 +1632,8 @@ static bool is_cfi_preamble_symbol(unsigned long addr)
 	if (lookup_symbol_name(addr, symbuf))
 		return false;
 
-	return str_has_prefix("__cfi_", symbuf) ||
-		str_has_prefix("__pfx_", symbuf);
+	return str_has_prefix(symbuf, "__cfi_") ||
+		str_has_prefix(symbuf, "__pfx_");
 }
 
 static int check_kprobe_address_safe(struct kprobe *p,