net: correct off-by-one write allocations reports
commit 2b85a34e911bf483c27cfdd124aeb1605145dc80
(net: No more expensive sock_hold()/sock_put() on each tx)
changed initial sk_wmem_alloc value.
We need to take into account this offset when reporting
sk_wmem_alloc to user, in PROC_FS files or various
ioctls (SIOCOUTQ/TIOCOUTQ)
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index cd91190..ce51ce0 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -1205,7 +1205,7 @@
long amount;
lock_sock(sk);
- amount = sk->sk_sndbuf - atomic_read(&sk->sk_wmem_alloc);
+ amount = sk->sk_sndbuf - sk_wmem_alloc_get(sk);
if (amount < 0)
amount = 0;
release_sock(sk);
@@ -1341,8 +1341,8 @@
nr->n2count,
nr->n2,
nr->window,
- atomic_read(&s->sk_wmem_alloc),
- atomic_read(&s->sk_rmem_alloc),
+ sk_wmem_alloc_get(s),
+ sk_rmem_alloc_get(s),
s->sk_socket ? SOCK_INODE(s->sk_socket)->i_ino : 0L);
bh_unlock_sock(s);