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/rose/af_rose.c b/net/rose/af_rose.c
index 4dd9a7d..6bd8e938 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -1309,7 +1309,8 @@
switch (cmd) {
case TIOCOUTQ: {
long amount;
- amount = sk->sk_sndbuf - atomic_read(&sk->sk_wmem_alloc);
+
+ amount = sk->sk_sndbuf - sk_wmem_alloc_get(sk);
if (amount < 0)
amount = 0;
return put_user(amount, (unsigned int __user *) argp);
@@ -1480,8 +1481,8 @@
rose->hb / HZ,
ax25_display_timer(&rose->idletimer) / (60 * HZ),
rose->idle / (60 * HZ),
- 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);
}