diff options
| author | Sven Eckelmann <sven@narfation.org> | 2016-01-16 10:29:53 +0100 |
|---|---|---|
| committer | Antonio Quartulli <a@unstable.cc> | 2016-02-10 23:24:04 +0800 |
| commit | 77ae32e8989a26d24bd8007be3b9dc4a348175a9 (patch) | |
| tree | 0e2960ffcb0a0850cfe684a5de6094d1101c0a3f /net/batman-adv/bat_iv_ogm.c | |
| parent | a6ba0d340db63b95cd07484370cca69929d8f4e4 (diff) | |
batman-adv: Convert batadv_neigh_node to kref
batman-adv uses a self-written reference implementation which is just based
on atomic_t. This is less obvious when reading the code than kref and
therefore increases the change that the reference counting will be missed.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <a@unstable.cc>
Diffstat (limited to 'net/batman-adv/bat_iv_ogm.c')
| -rw-r--r-- | net/batman-adv/bat_iv_ogm.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c index 23ce90e21a40..affcbb571426 100644 --- a/net/batman-adv/bat_iv_ogm.c +++ b/net/batman-adv/bat_iv_ogm.c @@ -31,6 +31,7 @@ #include <linux/init.h> #include <linux/jiffies.h> #include <linux/list.h> +#include <linux/kref.h> #include <linux/netdevice.h> #include <linux/pkt_sched.h> #include <linux/printk.h> @@ -1002,7 +1003,7 @@ batadv_iv_ogm_orig_update(struct batadv_priv *bat_priv, neigh_addr = tmp_neigh_node->addr; if (batadv_compare_eth(neigh_addr, ethhdr->h_source) && tmp_neigh_node->if_incoming == if_incoming && - atomic_inc_not_zero(&tmp_neigh_node->refcount)) { + kref_get_unless_zero(&tmp_neigh_node->refcount)) { if (WARN(neigh_node, "too many matching neigh_nodes")) batadv_neigh_node_free_ref(neigh_node); neigh_node = tmp_neigh_node; @@ -1161,7 +1162,7 @@ static int batadv_iv_ogm_calc_tq(struct batadv_orig_node *orig_node, if (tmp_neigh_node->if_incoming != if_incoming) continue; - if (!atomic_inc_not_zero(&tmp_neigh_node->refcount)) + if (!kref_get_unless_zero(&tmp_neigh_node->refcount)) continue; neigh_node = tmp_neigh_node; |