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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 <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
parent
d3b238a03e
commit
31e6d363ab
25 changed files with 58 additions and 51 deletions
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@ -1835,7 +1835,7 @@ static int ipx_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
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switch (cmd) {
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case TIOCOUTQ:
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amount = sk->sk_sndbuf - atomic_read(&sk->sk_wmem_alloc);
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amount = sk->sk_sndbuf - sk_wmem_alloc_get(sk);
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if (amount < 0)
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amount = 0;
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rc = put_user(amount, (int __user *)argp);
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@ -280,8 +280,8 @@ static int ipx_seq_socket_show(struct seq_file *seq, void *v)
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}
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seq_printf(seq, "%08X %08X %02X %03d\n",
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atomic_read(&s->sk_wmem_alloc),
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atomic_read(&s->sk_rmem_alloc),
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sk_wmem_alloc_get(s),
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sk_rmem_alloc_get(s),
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s->sk_state, SOCK_INODE(s->sk_socket)->i_uid);
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out:
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return 0;
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