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unix: define and set show_fdinfo only if procfs is enabled

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Follow the pattern used with other *_show_fdinfo functions and only
define unix_show_fdinfo and set it in proto_ops if CONFIG_PROCFS
is set.

Fixes: 3c32da19a8 ("unix: Show number of pending scm files of receive queue in fdinfo")
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Reviewed-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tobias Klauser 2020-02-26 18:29:53 +01:00 committed by David S. Miller
parent f4979b41f3
commit 3a12500ed5
1 changed files with 4 additions and 0 deletions
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4
net/unix/af_unix.c
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@ -682,6 +682,7 @@ static int unix_set_peek_off(struct sock *sk, int val)
return 0;
}
#ifdef CONFIG_PROCFS
static void unix_show_fdinfo(struct seq_file *m, struct socket *sock)
{
struct sock *sk = sock->sk;
@ -692,6 +693,9 @@ static void unix_show_fdinfo(struct seq_file *m, struct socket *sock)
seq_printf(m, "scm_fds: %u\n", READ_ONCE(u->scm_stat.nr_fds));
}
}
#else
#define unix_show_fdinfo NULL
#endif
static const struct proto_ops unix_stream_ops = {
.family = PF_UNIX,