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| author | Eric Dumazet <eric.dumazet@gmail.com> | 2009-06-18 06:05:41 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-06-18 11:29:12 +0400 |
| commit | 31e6d363abcd0d05766c82f1a9c905a4c974a199 (patch) | |
| tree | f2b5c46354d95f91e743ae748b8add0de8bffd17 /net/ipv4/udp.c | |
| parent | d3b238a03efd6d644ff93c8b10a1d38a596f2e34 (diff) | |
| download | linux-31e6d363abcd0d05766c82f1a9c905a4c974a199.tar.xz | |
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/ipv4/udp.c')
| -rw-r--r-- | net/ipv4/udp.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 8f4158d7c9a6..80e3812837ad 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -840,7 +840,8 @@ int udp_ioctl(struct sock *sk, int cmd, unsigned long arg) switch (cmd) { case SIOCOUTQ: { - int amount = atomic_read(&sk->sk_wmem_alloc); + int amount = sk_wmem_alloc_get(sk); + return put_user(amount, (int __user *)arg); } @@ -1721,8 +1722,8 @@ static void udp4_format_sock(struct sock *sp, struct seq_file *f, seq_printf(f, "%4d: %08X:%04X %08X:%04X" " %02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p %d%n", bucket, src, srcp, dest, destp, sp->sk_state, - atomic_read(&sp->sk_wmem_alloc), - atomic_read(&sp->sk_rmem_alloc), + sk_wmem_alloc_get(sp), + sk_rmem_alloc_get(sp), 0, 0L, 0, sock_i_uid(sp), 0, sock_i_ino(sp), atomic_read(&sp->sk_refcnt), sp, atomic_read(&sp->sk_drops), len); |