Commit 257a7303 authored by Paolo Abeni's avatar Paolo Abeni Committed by David S. Miller
Browse files

net/sock: allow the user to set negative peek offset 



This is necessary to allow the user to disable peeking with
offset once it's enabled.
Unix sockets already allow the above, with this patch we
permit it for udp[6] sockets, too.

Fixes: 627d2d6b ("udp: enable MSG_PEEK at non-zero offset")
Signed-off-by: default avatarPaolo Abeni <pabeni@redhat.com>
Acked-by: default avatarWillem de Bruijn <willemb@google.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 110d8465

net/core/sock.c

+0 −3
Original line number Diff line number Diff line
@@ -2454,9 +2454,6 @@ EXPORT_SYMBOL(__sk_mem_reclaim); 


int sk_set_peek_off(struct sock *sk, int val)

{

	if (val < 0)

		return -EINVAL;



	sk->sk_peek_off = val;

	return 0;

}