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| author | David S. Miller <davem@davemloft.net> | 2014-05-31 20:01:47 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-05-31 20:01:47 -0700 |
| commit | 6ce995c6f466e59a5f16e6eae8b265c1d13bb202 (patch) | |
| tree | 89f566a62a8fbdea635e275d4fa58449503c81e1 /net | |
| parent | dbfc4b698ab83494eb8a03f5f3c478cec29a4f62 (diff) | |
| parent | af0a171c07174661db71f92e442d4e6e90984b77 (diff) | |
Merge tag 'batman-adv-fix-for-davem' of git://git.open-mesh.org/linux-merge
Included changes:
- prevent NULL dereference in multicast code
Antonion Quartulli says:
====================
pull request net: batman-adv 20140527
here you have another very small fix intended for net/linux-3.15.
It prevents some multicast functions from dereferencing a NULL pointer.
(Actually it was nothing more than a typo)
I hope it is not too late for such a small patch.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/batman-adv/multicast.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/net/batman-adv/multicast.c b/net/batman-adv/multicast.c index 8c7ca811de6e..96b66fd30f96 100644 --- a/net/batman-adv/multicast.c +++ b/net/batman-adv/multicast.c @@ -415,7 +415,7 @@ 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(&orig_node->refcount)) + if (!atomic_inc_not_zero(&tmp_orig_node->refcount)) continue; orig_node = tmp_orig_node; @@ -442,7 +442,7 @@ 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(&orig_node->refcount)) + if (!atomic_inc_not_zero(&tmp_orig_node->refcount)) continue; orig_node = tmp_orig_node; @@ -493,7 +493,7 @@ 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(&orig_node->refcount)) + if (!atomic_inc_not_zero(&tmp_orig_node->refcount)) continue; orig_node = tmp_orig_node; |