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authorFlorian Westphal <fw@strlen.de>2017-09-06 14:47:57 +0200
committerPablo Neira Ayuso <pablo@netfilter.org>2017-09-08 18:55:52 +0200
commit74585d4f84379528347630253c42518c5002d2f9 (patch)
tree463b7ad2b4db4929cffa275af706f5bda9b65587 /net
parent8073e960a03bf7b5d5ebfc5ff18ac475e1688f46 (diff)
downloadop-kernel-dev-74585d4f84379528347630253c42518c5002d2f9.zip
op-kernel-dev-74585d4f84379528347630253c42518c5002d2f9.tar.gz
netfilter: core: remove erroneous warn_on
kernel test robot reported: WARNING: CPU: 0 PID: 1244 at net/netfilter/core.c:218 __nf_hook_entries_try_shrink+0x49/0xcd [..] After allowing batching in nf_unregister_net_hooks its possible that an earlier call to __nf_hook_entries_try_shrink already compacted the list. If this happens we don't need to do anything. Fixes: d3ad2c17b4047 ("netfilter: core: batch nf_unregister_net_hooks synchronize_net calls") Reported-by: kernel test robot <xiaolong.ye@intel.com> Signed-off-by: Florian Westphal <fw@strlen.de> Acked-by: Aaron Conole <aconole@bytheb.org> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net')
-rw-r--r--net/netfilter/core.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/netfilter/core.c b/net/netfilter/core.c
index 04fe25a..52cd290 100644
--- a/net/netfilter/core.c
+++ b/net/netfilter/core.c
@@ -215,7 +215,7 @@ static void *__nf_hook_entries_try_shrink(struct nf_hook_entries __rcu **pp)
if (skip == hook_entries)
goto out_assign;
- if (WARN_ON(skip == 0))
+ if (skip == 0)
return NULL;
hook_entries -= skip;
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