diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-10-29 13:45:54 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-10-29 13:45:54 -0300 |
commit | a71852147516bc1cb5b0b3cbd13639bfd4022dc8 (patch) | |
tree | e1950ad489b1cc9f4404c643d94ff87ba595a8c1 /include/net | |
parent | badc0e42604c4465facd81d2323e98b3b1eb9188 (diff) |
Linux-libre 4.2.5-gnupck-4.2.5-gnu
Diffstat (limited to 'include/net')
-rw-r--r-- | include/net/af_unix.h | 6 | ||||
-rw-r--r-- | include/net/sock.h | 8 |
2 files changed, 13 insertions, 1 deletions
diff --git a/include/net/af_unix.h b/include/net/af_unix.h index 4a167b30a..cb1b9bbda 100644 --- a/include/net/af_unix.h +++ b/include/net/af_unix.h @@ -63,7 +63,11 @@ struct unix_sock { #define UNIX_GC_MAYBE_CYCLE 1 struct socket_wq peer_wq; }; -#define unix_sk(__sk) ((struct unix_sock *)__sk) + +static inline struct unix_sock *unix_sk(struct sock *sk) +{ + return (struct unix_sock *)sk; +} #define peer_wait peer_wq.wait diff --git a/include/net/sock.h b/include/net/sock.h index f21f0708e..4ca4c3fe4 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -826,6 +826,14 @@ static inline __must_check int sk_add_backlog(struct sock *sk, struct sk_buff *s if (sk_rcvqueues_full(sk, limit)) return -ENOBUFS; + /* + * If the skb was allocated from pfmemalloc reserves, only + * allow SOCK_MEMALLOC sockets to use it as this socket is + * helping free memory + */ + if (skb_pfmemalloc(skb) && !sock_flag(sk, SOCK_MEMALLOC)) + return -ENOMEM; + __sk_add_backlog(sk, skb); sk->sk_backlog.len += skb->truesize; return 0; |