diff options
| author | Sven Eckelmann <sven@narfation.org> | 2016-01-16 10:29:56 +0100 |
|---|---|---|
| committer | Antonio Quartulli <a@unstable.cc> | 2016-02-10 23:24:06 +0800 |
| commit | 7c12439115da77389733d9bf313f64eedaec3b73 (patch) | |
| tree | 795d74a4209cd98798f0e4068ebe67a20e22655e /net/batman-adv/multicast.c | |
| parent | 161a3be9324eaed3ecd1879c994d58b16bbf4732 (diff) | |
| download | blackbird-op-linux-7c12439115da77389733d9bf313f64eedaec3b73.tar.gz blackbird-op-linux-7c12439115da77389733d9bf313f64eedaec3b73.zip | |
batman-adv: Convert batadv_orig_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/multicast.c')
| -rw-r--r-- | net/batman-adv/multicast.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/net/batman-adv/multicast.c b/net/batman-adv/multicast.c index 155565e0fecc..8caa2c72efa3 100644 --- a/net/batman-adv/multicast.c +++ b/net/batman-adv/multicast.c @@ -30,6 +30,7 @@ #include <linux/in.h> #include <linux/ip.h> #include <linux/ipv6.h> +#include <linux/kref.h> #include <linux/list.h> #include <linux/lockdep.h> #include <linux/netdevice.h> @@ -447,7 +448,7 @@ batadv_mcast_forw_ipv4_node_get(struct batadv_priv *bat_priv) hlist_for_each_entry_rcu(tmp_orig_node, &bat_priv->mcast.want_all_ipv4_list, mcast_want_all_ipv4_node) { - if (!atomic_inc_not_zero(&tmp_orig_node->refcount)) + if (!kref_get_unless_zero(&tmp_orig_node->refcount)) continue; orig_node = tmp_orig_node; @@ -474,7 +475,7 @@ batadv_mcast_forw_ipv6_node_get(struct batadv_priv *bat_priv) hlist_for_each_entry_rcu(tmp_orig_node, &bat_priv->mcast.want_all_ipv6_list, mcast_want_all_ipv6_node) { - if (!atomic_inc_not_zero(&tmp_orig_node->refcount)) + if (!kref_get_unless_zero(&tmp_orig_node->refcount)) continue; orig_node = tmp_orig_node; @@ -525,7 +526,7 @@ batadv_mcast_forw_unsnoop_node_get(struct batadv_priv *bat_priv) hlist_for_each_entry_rcu(tmp_orig_node, &bat_priv->mcast.want_all_unsnoopables_list, mcast_want_all_unsnoopables_node) { - if (!atomic_inc_not_zero(&tmp_orig_node->refcount)) + if (!kref_get_unless_zero(&tmp_orig_node->refcount)) continue; orig_node = tmp_orig_node; |
