libmnl [PATCH 4/8] document: mnl_socket_open

[Ken-ichirou MATSUZAWA <chamaken@gmail.com>]

fix return value on error

Signed-off-by: Ken-ichirou MATSUZAWA <chamas@h4.dion.ne.jp>

---
 src/socket.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/socket.c b/src/socket.c
index 6d54563..676a08a 100644
--- a/src/socket.c
+++ b/src/socket.c
@@ -107,7 +107,7 @@ EXPORT_SYMBOL(mnl_socket_get_portid);
  * mnl_socket_open - open a netlink socket
  * \param bus the netlink socket bus ID (see NETLINK_* constants)
  *
- * On error, it returns -1 and errno is appropriately set. Otherwise, it
+ * On error, it returns NULL and errno is appropriately set. Otherwise, it
  * returns a valid pointer to the mnl_socket structure.
  */
 struct mnl_socket *mnl_socket_open(int bus)
-- 
1.8.4.rc3