diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index 258d425b2c4a..0d463859ad32 100644
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -1545,8 +1545,8 @@ 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,