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Date: Thu, 31 Jan 2013 04:26:42 +0900 From: YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org> To: davem@...emloft.net, netdev@...r.kernel.org CC: yoshfuji@...ux-ipv6.org Subject: [RFC net-next 1/4] ipv6 flowlabel: Ensure to take lock when modifying np->ip6_sk_fl_list. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org> --- net/ipv6/ip6_flowlabel.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/net/ipv6/ip6_flowlabel.c b/net/ipv6/ip6_flowlabel.c index 29124b7..5d767f1 100644 --- a/net/ipv6/ip6_flowlabel.c +++ b/net/ipv6/ip6_flowlabel.c @@ -255,10 +255,19 @@ void fl6_free_socklist(struct sock *sk) struct ipv6_pinfo *np = inet6_sk(sk); struct ipv6_fl_socklist *sfl; - while ((sfl = np->ipv6_fl_list) != NULL) { - np->ipv6_fl_list = sfl->next; + if (!np->ipv6_fl_list) + return; + + write_lock_bh(&ipv6_sk_fl_lock); + sfl = np->ipv6_fl_list; + np->ipv6_fl_list = NULL; + write_unlock_bh(&ipv6_sk_fl_lock); + + while (sfl) { + struct ipv6_fl_socklist *next = sfl->next; fl_release(sfl->fl); kfree(sfl); + sfl = next; } } -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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