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authorLinus Torvalds <torvalds@linux-foundation.org>2012-01-06 17:22:09 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2012-01-06 17:22:09 -0800
commit9753dfe19a85e7e45a34a56f4cb2048bb4f50e27 (patch)
treec017a1b4a70b8447c71b01d8b320e071546b5c9d /net/ipv4/inet_connection_sock.c
parentedf7c8148ec40c0fd27c0ef3f688defcc65e3913 (diff)
parent9f42f126154786e6e76df513004800c8c633f020 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1958 commits) net: pack skb_shared_info more efficiently net_sched: red: split red_parms into parms and vars net_sched: sfq: extend limits cnic: Improve error recovery on bnx2x devices cnic: Re-init dev->stats_addr after chip reset net_sched: Bug in netem reordering bna: fix sparse warnings/errors bna: make ethtool_ops and strings const xgmac: cleanups net: make ethtool_ops const vmxnet3" make ethtool ops const xen-netback: make ops structs const virtio_net: Pass gfp flags when allocating rx buffers. ixgbe: FCoE: Add support for ndo_get_fcoe_hbainfo() call netdev: FCoE: Add new ndo_get_fcoe_hbainfo() call igb: reset PHY after recovering from PHY power down igb: add basic runtime PM support igb: Add support for byte queue limits. e1000: cleanup CE4100 MDIO registers access e1000: unmap ce4100_gbe_mdio_base_virt in e1000_remove ...
Diffstat (limited to 'net/ipv4/inet_connection_sock.c')
-rw-r--r--net/ipv4/inet_connection_sock.c19
1 files changed, 14 insertions, 5 deletions
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index c14d88ad348d..2e4e24476c4c 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -418,7 +418,7 @@ static inline u32 inet_synq_hash(const __be32 raddr, const __be16 rport,
return jhash_2words((__force u32)raddr, (__force u32)rport, rnd) & (synq_hsize - 1);
}
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
#define AF_INET_FAMILY(fam) ((fam) == AF_INET)
#else
#define AF_INET_FAMILY(fam) 1
@@ -588,10 +588,19 @@ void inet_csk_reqsk_queue_prune(struct sock *parent,
}
EXPORT_SYMBOL_GPL(inet_csk_reqsk_queue_prune);
-struct sock *inet_csk_clone(struct sock *sk, const struct request_sock *req,
- const gfp_t priority)
+/**
+ * inet_csk_clone_lock - clone an inet socket, and lock its clone
+ * @sk: the socket to clone
+ * @req: request_sock
+ * @priority: for allocation (%GFP_KERNEL, %GFP_ATOMIC, etc)
+ *
+ * Caller must unlock socket even in error path (bh_unlock_sock(newsk))
+ */
+struct sock *inet_csk_clone_lock(const struct sock *sk,
+ const struct request_sock *req,
+ const gfp_t priority)
{
- struct sock *newsk = sk_clone(sk, priority);
+ struct sock *newsk = sk_clone_lock(sk, priority);
if (newsk != NULL) {
struct inet_connection_sock *newicsk = inet_csk(newsk);
@@ -615,7 +624,7 @@ struct sock *inet_csk_clone(struct sock *sk, const struct request_sock *req,
}
return newsk;
}
-EXPORT_SYMBOL_GPL(inet_csk_clone);
+EXPORT_SYMBOL_GPL(inet_csk_clone_lock);
/*
* At this point, there should be no process reference to this