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Diffstat (limited to 'include/net/sock.h')
-rw-r--r--include/net/sock.h14
1 files changed, 8 insertions, 6 deletions
diff --git a/include/net/sock.h b/include/net/sock.h
index 03252d53975d..66349e49d468 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -1783,11 +1783,8 @@ __sk_dst_set(struct sock *sk, struct dst_entry *dst)
sk_tx_queue_clear(sk);
sk->sk_dst_pending_confirm = 0;
- /*
- * This can be called while sk is owned by the caller only,
- * with no state that can be checked in a rcu_dereference_check() cond
- */
- old_dst = rcu_dereference_raw(sk->sk_dst_cache);
+ old_dst = rcu_dereference_protected(sk->sk_dst_cache,
+ lockdep_sock_is_held(sk));
rcu_assign_pointer(sk->sk_dst_cache, dst);
dst_release(old_dst);
}
@@ -2242,6 +2239,7 @@ sock_recv_timestamp(struct msghdr *msg, struct sock *sk, struct sk_buff *skb)
void __sock_recv_ts_and_drops(struct msghdr *msg, struct sock *sk,
struct sk_buff *skb);
+#define SK_DEFAULT_STAMP (-1L * NSEC_PER_SEC)
static inline void sock_recv_ts_and_drops(struct msghdr *msg, struct sock *sk,
struct sk_buff *skb)
{
@@ -2252,8 +2250,10 @@ static inline void sock_recv_ts_and_drops(struct msghdr *msg, struct sock *sk,
if (sk->sk_flags & FLAGS_TS_OR_DROPS || sk->sk_tsflags & TSFLAGS_ANY)
__sock_recv_ts_and_drops(msg, sk, skb);
- else
+ else if (unlikely(sock_flag(sk, SOCK_TIMESTAMP)))
sk->sk_stamp = skb->tstamp;
+ else if (unlikely(sk->sk_stamp == SK_DEFAULT_STAMP))
+ sk->sk_stamp = 0;
}
void __sock_tx_timestamp(__u16 tsflags, __u8 *tx_flags);
@@ -2365,6 +2365,8 @@ bool sk_ns_capable(const struct sock *sk,
bool sk_capable(const struct sock *sk, int cap);
bool sk_net_capable(const struct sock *sk, int cap);
+void sk_get_meminfo(const struct sock *sk, u32 *meminfo);
+
extern __u32 sysctl_wmem_max;
extern __u32 sysctl_rmem_max;