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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-10-20 23:06:15 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-10-20 23:06:15 +0100
commitd1a7fddf420b1f5a7d9a899b3388026084a67d33 (patch)
tree7044a8b9a1b6fadc7b027d4a82840c084b0c8012 /net/ipv4
parent778c4c821779bb7eef7f5a1eea4d15d05d976f8b (diff)
parentc0e1936338a11ea252d11370ff62e40db334f646 (diff)
Merge branch 'for-rmk' of git://git.marvell.com/orion into devel
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/devinet.c2
-rw-r--r--net/ipv4/inet_diag.c2
-rw-r--r--net/ipv4/route.c7
-rw-r--r--net/ipv4/tcp_cong.c4
4 files changed, 8 insertions, 7 deletions
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 5154e729cf1..56fce3ab6c5 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -613,9 +613,7 @@ int devinet_ioctl(struct net *net, unsigned int cmd, void __user *arg)
if (colon)
*colon = 0;
-#ifdef CONFIG_KMOD
dev_load(net, ifr.ifr_name);
-#endif
switch (cmd) {
case SIOCGIFADDR: /* Get interface address */
diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c
index 89cb047ab31..564230dabcb 100644
--- a/net/ipv4/inet_diag.c
+++ b/net/ipv4/inet_diag.c
@@ -53,11 +53,9 @@ static DEFINE_MUTEX(inet_diag_table_mutex);
static const struct inet_diag_handler *inet_diag_lock_handler(int type)
{
-#ifdef CONFIG_KMOD
if (!inet_diag_table[type])
request_module("net-pf-%d-proto-%d-type-%d", PF_NETLINK,
NETLINK_INET_DIAG, type);
-#endif
mutex_lock(&inet_diag_table_mutex);
if (!inet_diag_table[type])
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 942be04e795..2ea6dcc3e2c 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1109,7 +1109,12 @@ restart:
printk("\n");
}
#endif
- rt_hash_table[hash].chain = rt;
+ /*
+ * Since lookup is lockfree, we must make sure
+ * previous writes to rt are comitted to memory
+ * before making rt visible to other CPUS.
+ */
+ rcu_assign_pointer(rt_hash_table[hash].chain, rt);
spin_unlock_bh(rt_hash_lock_addr(hash));
*rp = rt;
return 0;
diff --git a/net/ipv4/tcp_cong.c b/net/ipv4/tcp_cong.c
index 6a250828b76..4ec5b4e97c4 100644
--- a/net/ipv4/tcp_cong.c
+++ b/net/ipv4/tcp_cong.c
@@ -115,7 +115,7 @@ int tcp_set_default_congestion_control(const char *name)
spin_lock(&tcp_cong_list_lock);
ca = tcp_ca_find(name);
-#ifdef CONFIG_KMOD
+#ifdef CONFIG_MODULES
if (!ca && capable(CAP_SYS_MODULE)) {
spin_unlock(&tcp_cong_list_lock);
@@ -244,7 +244,7 @@ int tcp_set_congestion_control(struct sock *sk, const char *name)
if (ca == icsk->icsk_ca_ops)
goto out;
-#ifdef CONFIG_KMOD
+#ifdef CONFIG_MODULES
/* not found attempt to autoload module */
if (!ca && capable(CAP_SYS_MODULE)) {
rcu_read_unlock();