diff options
| -rw-r--r-- | include/net/sock.h | 33 | ||||
| -rw-r--r-- | net/appletalk/ddp.c | 6 | ||||
| -rw-r--r-- | net/ax25/af_ax25.c | 3 | ||||
| -rw-r--r-- | net/econet/af_econet.c | 6 | ||||
| -rw-r--r-- | net/netrom/af_netrom.c | 3 | ||||
| -rw-r--r-- | net/rose/af_rose.c | 3 | ||||
| -rw-r--r-- | net/x25/af_x25.c | 3 |
7 files changed, 41 insertions, 16 deletions
diff --git a/include/net/sock.h b/include/net/sock.h index 010e14a93c9..570c7a12b54 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -1206,6 +1206,39 @@ static inline int skb_copy_to_page(struct sock *sk, char __user *from, return 0; } +/** + * sk_wmem_alloc_get - returns write allocations + * @sk: socket + * + * Returns sk_wmem_alloc minus initial offset of one + */ +static inline int sk_wmem_alloc_get(const struct sock *sk) +{ + return atomic_read(&sk->sk_wmem_alloc) - 1; +} + +/** + * sk_rmem_alloc_get - returns read allocations + * @sk: socket + * + * Returns sk_rmem_alloc + */ +static inline int sk_rmem_alloc_get(const struct sock *sk) +{ + return atomic_read(&sk->sk_rmem_alloc); +} + +/** + * sk_has_allocations - check if allocations are outstanding + * @sk: socket + * + * Returns true if socket has write or read allocations + */ +static inline int sk_has_allocations(const struct sock *sk) +{ + return sk_wmem_alloc_get(sk) || sk_rmem_alloc_get(sk); +} + /* * Queue a received datagram if it will fit. Stream and sequenced * protocols can't normally use this as they need to fit buffers in diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c index b603cbacdc5..f7a53b219ef 100644 --- a/net/appletalk/ddp.c +++ b/net/appletalk/ddp.c @@ -162,8 +162,7 @@ static void atalk_destroy_timer(unsigned long data) { struct sock *sk = (struct sock *)data; - if (atomic_read(&sk->sk_wmem_alloc) || - atomic_read(&sk->sk_rmem_alloc)) { + if (sk_has_allocations(sk)) { sk->sk_timer.expires = jiffies + SOCK_DESTROY_TIME; add_timer(&sk->sk_timer); } else @@ -175,8 +174,7 @@ static inline void atalk_destroy_socket(struct sock *sk) atalk_remove_socket(sk); skb_queue_purge(&sk->sk_receive_queue); - if (atomic_read(&sk->sk_wmem_alloc) || - atomic_read(&sk->sk_rmem_alloc)) { + if (sk_has_allocations(sk)) { setup_timer(&sk->sk_timer, atalk_destroy_timer, (unsigned long)sk); sk->sk_timer.expires = jiffies + SOCK_DESTROY_TIME; diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c index fd9d06f291d..61b35b95549 100644 --- a/net/ax25/af_ax25.c +++ b/net/ax25/af_ax25.c @@ -330,8 +330,7 @@ void ax25_destroy_socket(ax25_cb *ax25) } if (ax25->sk != NULL) { - if (atomic_read(&ax25->sk->sk_wmem_alloc) || - atomic_read(&ax25->sk->sk_rmem_alloc)) { + if (sk_has_allocations(ax25->sk)) { /* Defer: outstanding buffers */ setup_timer(&ax25->dtimer, ax25_destroy_timer, (unsigned long)ax25); diff --git a/net/econet/af_econet.c b/net/econet/af_econet.c index 8121bf0029e..2e1f836d424 100644 --- a/net/econet/af_econet.c +++ b/net/econet/af_econet.c @@ -540,8 +540,7 @@ static void econet_destroy_timer(unsigned long data) { struct sock *sk=(struct sock *)data; - if (!atomic_read(&sk->sk_wmem_alloc) && - !atomic_read(&sk->sk_rmem_alloc)) { + if (!sk_has_allocations(sk)) { sk_free(sk); return; } @@ -579,8 +578,7 @@ static int econet_release(struct socket *sock) skb_queue_purge(&sk->sk_receive_queue); - if (atomic_read(&sk->sk_rmem_alloc) || - atomic_read(&sk->sk_wmem_alloc)) { + if (sk_has_allocations(sk)) { sk->sk_timer.data = (unsigned long)sk; sk->sk_timer.expires = jiffies + HZ; sk->sk_timer.function = econet_destroy_timer; diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c index 3be0e016ab7..cd911904cbe 100644 --- a/net/netrom/af_netrom.c +++ b/net/netrom/af_netrom.c @@ -286,8 +286,7 @@ void nr_destroy_socket(struct sock *sk) kfree_skb(skb); } - if (atomic_read(&sk->sk_wmem_alloc) || - atomic_read(&sk->sk_rmem_alloc)) { + if (sk_has_allocations(sk)) { /* Defer: outstanding buffers */ sk->sk_timer.function = nr_destroy_timer; sk->sk_timer.expires = jiffies + 2 * HZ; diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c index 877a7f65f70..4dd9a7d1894 100644 --- a/net/rose/af_rose.c +++ b/net/rose/af_rose.c @@ -356,8 +356,7 @@ void rose_destroy_socket(struct sock *sk) kfree_skb(skb); } - if (atomic_read(&sk->sk_wmem_alloc) || - atomic_read(&sk->sk_rmem_alloc)) { + if (sk_has_allocations(sk)) { /* Defer: outstanding buffers */ setup_timer(&sk->sk_timer, rose_destroy_timer, (unsigned long)sk); diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c index c51f3095739..8cd2390b0d4 100644 --- a/net/x25/af_x25.c +++ b/net/x25/af_x25.c @@ -372,8 +372,7 @@ static void __x25_destroy_socket(struct sock *sk) kfree_skb(skb); } - if (atomic_read(&sk->sk_wmem_alloc) || - atomic_read(&sk->sk_rmem_alloc)) { + if (sk_has_allocations(sk)) { /* Defer: outstanding buffers */ sk->sk_timer.expires = jiffies + 10 * HZ; sk->sk_timer.function = x25_destroy_timer; |