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

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

Noted by Jeff Garzik.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2005-05-29 20:28:01 -07:00
parent 69f6a0fafc
commit 6c94d3611b
1 changed files with 6 additions and 4 deletions
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10
net/ipv6/ip6_flowlabel.c
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@ -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;