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| author | Eric Dumazet <eric.dumazet@gmail.com> | 2009-06-17 19:05:41 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-06-18 00:29:12 -0700 |
| commit | 31e6d363abcd0d05766c82f1a9c905a4c974a199 (patch) | |
| tree | f2b5c46354d95f91e743ae748b8add0de8bffd17 /net/x25 | |
| parent | d3b238a03efd6d644ff93c8b10a1d38a596f2e34 (diff) | |
| download | linux-stable-31e6d363abcd0d05766c82f1a9c905a4c974a199.tar.gz linux-stable-31e6d363abcd0d05766c82f1a9c905a4c974a199.tar.bz2 linux-stable-31e6d363abcd0d05766c82f1a9c905a4c974a199.zip | |
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>
Diffstat (limited to 'net/x25')
| -rw-r--r-- | net/x25/af_x25.c | 4 | ||||
| -rw-r--r-- | net/x25/x25_proc.c | 4 |
2 files changed, 4 insertions, 4 deletions
diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c index 8cd2390b0d45..21cdc872004e 100644 --- a/net/x25/af_x25.c +++ b/net/x25/af_x25.c @@ -1271,8 +1271,8 @@ static int x25_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) switch (cmd) { case TIOCOUTQ: { - int amount = sk->sk_sndbuf - - atomic_read(&sk->sk_wmem_alloc); + int amount = sk->sk_sndbuf - sk_wmem_alloc_get(sk); + if (amount < 0) amount = 0; rc = put_user(amount, (unsigned int __user *)argp); diff --git a/net/x25/x25_proc.c b/net/x25/x25_proc.c index 1afa44d25beb..0a04e62e0e18 100644 --- a/net/x25/x25_proc.c +++ b/net/x25/x25_proc.c @@ -163,8 +163,8 @@ static int x25_seq_socket_show(struct seq_file *seq, void *v) devname, x25->lci & 0x0FFF, x25->state, x25->vs, x25->vr, x25->va, x25_display_timer(s) / HZ, x25->t2 / HZ, x25->t21 / HZ, x25->t22 / HZ, x25->t23 / 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); out: return 0; |