diff --git a/adapter/syscall/ff_hook_syscall.c b/adapter/syscall/ff_hook_syscall.c
index 165471a1d..b4f11e2c0 100644
--- a/adapter/syscall/ff_hook_syscall.c
+++ b/adapter/syscall/ff_hook_syscall.c
@@ -795,7 +795,7 @@ ff_hook_recv(int fd, void *buf, size_t len, int flags)
 }
 
 ssize_t
-ff_hook___recv_chk(int fd, void *buf, size_t buflen, size_t len, int flags)
+ff_hook___recv_chk(int fd, void *buf, size_t len, size_t buflen, int flags)
 {
     DEBUG_LOG("ff_hook___recv_chk, fd:%d, buf:%p, len:%lu, flags:%d\n",
         fd, buf, len, flags);
@@ -1430,7 +1430,7 @@ ff_hook___read_chk(int fd, void *buf, size_t nbytes, size_t len)
 {
     DEBUG_LOG("ff_hook___read_chk, fd:%d, buf:%p, len:%lu\n", fd, buf, len);
 
-    if (buflen < nbytes)
+    if (len < nbytes)
         __chk_fail();
 
     if (buf == NULL || len == 0) {
diff --git a/config.ini b/config.ini
index 0219ae624..a265a6388 100644
--- a/config.ini
+++ b/config.ini
@@ -45,9 +45,9 @@ symmetric_rss=0
 
 # PCI device enable list.
 # And driver options
-#allow=02:00.0
+#pci_whitelist=02:00.0
 # for multiple PCI devices
-#allow=02:00.0,03:00.0
+#pci_whitelist=02:00.0,03:00.0
 
 # enabled port list
 #