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| author |   Marek Lindner <lindner_marek@yahoo.de> | 2011-01-19 20:01:40 +0000 |
|---|---|---|
| committer | Marek Lindner <lindner_marek@yahoo.de> | 2011-03-05 12:49:58 +0100 |
| commit | fb778ea173fcd58b8fc3d75c674f07fab187b55f (patch) | |
| tree | b14cfc99b7ca61ddcb49cc56c9a8e2822675debc /net/batman-adv/icmp_socket.c | |
| parent | batman-adv: protect neigh_nodes used outside of rcu_locks with refcounting (diff) | |
| download | linux-dev-fb778ea173fcd58b8fc3d75c674f07fab187b55f.tar.xz linux-dev-fb778ea173fcd58b8fc3d75c674f07fab187b55f.zip | |
batman-adv: protect each hash row with rcu locks
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Diffstat (limited to 'net/batman-adv/icmp_socket.c')
| -rw-r--r-- | net/batman-adv/icmp_socket.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/batman-adv/icmp_socket.c b/net/batman-adv/icmp_socket.c index 319a7ccf6efa..8e0cd8a1bc02 100644 --- a/net/batman-adv/icmp_socket.c +++ b/net/batman-adv/icmp_socket.c @@ -220,9 +220,11 @@ static ssize_t bat_socket_write(struct file *file, const char __user *buff, goto dst_unreach; spin_lock_bh(&bat_priv->orig_hash_lock); + rcu_read_lock(); orig_node = ((struct orig_node *)hash_find(bat_priv->orig_hash, compare_orig, choose_orig, icmp_packet->dst)); + rcu_read_unlock(); if (!orig_node) goto unlock; |