aboutsummaryrefslogtreecommitdiffstats
path: root/net/dccp/proto.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/dccp/proto.c')
-rw-r--r--net/dccp/proto.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/net/dccp/proto.c b/net/dccp/proto.c
index 1ff7328b0e17..2e0ee8355c41 100644
--- a/net/dccp/proto.c
+++ b/net/dccp/proto.c
@@ -848,6 +848,7 @@ static int dccp_close_state(struct sock *sk)
848void dccp_close(struct sock *sk, long timeout) 848void dccp_close(struct sock *sk, long timeout)
849{ 849{
850 struct sk_buff *skb; 850 struct sk_buff *skb;
851 int state;
851 852
852 lock_sock(sk); 853 lock_sock(sk);
853 854
@@ -882,6 +883,11 @@ void dccp_close(struct sock *sk, long timeout)
882 sk_stream_wait_close(sk, timeout); 883 sk_stream_wait_close(sk, timeout);
883 884
884adjudge_to_death: 885adjudge_to_death:
886 state = sk->sk_state;
887 sock_hold(sk);
888 sock_orphan(sk);
889 atomic_inc(sk->sk_prot->orphan_count);
890
885 /* 891 /*
886 * It is the last release_sock in its life. It will remove backlog. 892 * It is the last release_sock in its life. It will remove backlog.
887 */ 893 */
@@ -894,8 +900,9 @@ adjudge_to_death:
894 bh_lock_sock(sk); 900 bh_lock_sock(sk);
895 BUG_TRAP(!sock_owned_by_user(sk)); 901 BUG_TRAP(!sock_owned_by_user(sk));
896 902
897 sock_hold(sk); 903 /* Have we already been destroyed by a softirq or backlog? */
898 sock_orphan(sk); 904 if (state != DCCP_CLOSED && sk->sk_state == DCCP_CLOSED)
905 goto out;
899 906
900 /* 907 /*
901 * The last release_sock may have processed the CLOSE or RESET 908 * The last release_sock may have processed the CLOSE or RESET
@@ -915,12 +922,12 @@ adjudge_to_death:
915#endif 922#endif
916 } 923 }
917 924
918 atomic_inc(sk->sk_prot->orphan_count);
919 if (sk->sk_state == DCCP_CLOSED) 925 if (sk->sk_state == DCCP_CLOSED)
920 inet_csk_destroy_sock(sk); 926 inet_csk_destroy_sock(sk);
921 927
922 /* Otherwise, socket is reprieved until protocol close. */ 928 /* Otherwise, socket is reprieved until protocol close. */
923 929
930out:
924 bh_unlock_sock(sk); 931 bh_unlock_sock(sk);
925 local_bh_enable(); 932 local_bh_enable();
926 sock_put(sk); 933 sock_put(sk);