llc: convert llc_sap_list to RCU
Signed-off-by: Octavian Purdila <opurdila@ixiacom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/llc/llc_proc.c b/net/llc/llc_proc.c
index 09dec63..7af1ff2 100644
--- a/net/llc/llc_proc.c
+++ b/net/llc/llc_proc.c
@@ -32,14 +32,11 @@
static struct sock *llc_get_sk_idx(loff_t pos)
{
- struct list_head *sap_entry;
struct llc_sap *sap;
struct sock *sk = NULL;
int i;
- list_for_each(sap_entry, &llc_sap_list) {
- sap = list_entry(sap_entry, struct llc_sap, node);
-
+ list_for_each_entry_rcu(sap, &llc_sap_list, node) {
spin_lock_bh(&sap->sk_lock);
for (i = 0; i < LLC_SK_LADDR_HASH_ENTRIES; i++) {
struct hlist_nulls_head *head = &sap->sk_laddr_hash[i];
@@ -62,7 +59,7 @@
{
loff_t l = *pos;
- read_lock_bh(&llc_sap_list_lock);
+ rcu_read_lock_bh();
return l ? llc_get_sk_idx(--l) : SEQ_START_TOKEN;
}
@@ -102,7 +99,7 @@
if (sk)
goto out;
spin_unlock_bh(&sap->sk_lock);
- list_for_each_entry_continue(sap, &llc_sap_list, node) {
+ list_for_each_entry_continue_rcu(sap, &llc_sap_list, node) {
spin_lock_bh(&sap->sk_lock);
sk = laddr_hash_next(sap, -1);
if (sk)
@@ -122,7 +119,7 @@
spin_unlock_bh(&sap->sk_lock);
}
- read_unlock_bh(&llc_sap_list_lock);
+ rcu_read_unlock_bh();
}
static int llc_seq_socket_show(struct seq_file *seq, void *v)