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Commit 6c94d361 authored by David S. Miller's avatar David S. Miller
Browse files

[IPV6]: Clear up user copy warning in flowlabel code. 



We are intentionally ignoring the copy_to_user() value,
make it clear to the compiler too.

Noted by Jeff Garzik.

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 69f6a0fa

net/ipv6/ip6_flowlabel.c

+6 −4
Original line number Diff line number Diff line
@@ -535,10 +535,12 @@ int ipv6_flowlabel_opt(struct sock *sk, char __user *optval, int optlen) 
		if (err)

			goto done;



		/* Do not check for fault */

		if (!freq.flr_label)

			copy_to_user(&((struct in6_flowlabel_req __user *) optval)->flr_label,

				     &fl->label, sizeof(fl->label));

		if (!freq.flr_label) {

			if (copy_to_user(&((struct in6_flowlabel_req __user *) optval)->flr_label,

					 &fl->label, sizeof(fl->label))) {

				/* Intentionally ignore fault. */

			}

		}



		sfl1->fl = fl;

		sfl1->next = np->ipv6_fl_list;