net: correct off-by-one write allocations reports
commit 2b85a34e91
(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>
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committed by
David S. Miller
parent
d3b238a03e
commit
31e6d363ab
@ -126,7 +126,8 @@ static int dgram_ioctl(struct sock *sk, int cmd, unsigned long arg)
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switch (cmd) {
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case SIOCOUTQ:
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{
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int amount = atomic_read(&sk->sk_wmem_alloc);
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int amount = sk_wmem_alloc_get(sk);
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return put_user(amount, (int __user *)arg);
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}
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