Re: [patch -master] netfilter: xt_CT: checking for IS_ERR() instead of NULL
From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: 2015-07-30 11:51:46
Also in:
kernel-janitors, netfilter-devel
On Tue, Jul 28, 2015 at 01:42:28AM +0300, Dan Carpenter wrote:
We recently changed this from nf_conntrack_alloc() to nf_ct_tmpl_alloc()
so the error handling needs to changed to check for NULL instead of
IS_ERR().
Fixes: 0838aa7fcfcd ('netfilter: fix netns dependencies with conntrack templates')
Signed-off-by: Dan Carpenter <redacted>Applied, thanks. I have also appended this chunk, since synproxy is also affected:
--- a/net/netfilter/nf_synproxy_core.c
+++ b/net/netfilter/nf_synproxy_core.c@@ -353,7 +353,7 @@ static int __net_init synproxy_net_init(struct net *net) int err = -ENOMEM; ct = nf_ct_tmpl_alloc(net, 0, GFP_KERNEL); - if (IS_ERR(ct)) { + if (!ct) { err = PTR_ERR(ct); goto err1; }
quoted hunk ↗ jump to hunk
diff --git a/net/netfilter/xt_CT.c b/net/netfilter/xt_CT.c index c663003..43ddeee 100644 --- a/net/netfilter/xt_CT.c +++ b/net/netfilter/xt_CT.c@@ -202,9 +202,10 @@ static int xt_ct_tg_check(const struct xt_tgchk_param *par, goto err1; ct = nf_ct_tmpl_alloc(par->net, info->zone, GFP_KERNEL); - ret = PTR_ERR(ct); - if (IS_ERR(ct)) + if (!ct) { + ret = -ENOMEM; goto err2; + } ret = 0; if ((info->ct_events || info->exp_events) &&