xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

netfilter: ipset: Correct rcu_dereference() call in ip_set_put_comment()

Browse Source 
The function is called when rcu_read_lock() is held and not
when rcu_read_lock_bh() is held.

Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Jozsef Kadlecsik
2018-10-19 19:35:19 +02:00
committed by Pablo Neira Ayuso
parent ed956f3947
commit 17b8b74c0f
1 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
include/linux/netfilter/ipset/ip_set_comment.h
View File

@@ -43,11 +43,11 @@ ip_set_init_comment(struct ip_set *set, struct ip_set_comment *comment,
rcu_assign_pointer(comment->c, c); rcu_assign_pointer(comment->c, c);
} }
/* Used only when dumping a set, protected by rcu_read_lock_bh() */ /* Used only when dumping a set, protected by rcu_read_lock() */
static inline int static inline int
ip_set_put_comment(struct sk_buff *skb, const struct ip_set_comment *comment) ip_set_put_comment(struct sk_buff *skb, const struct ip_set_comment *comment)
{ {
struct ip_set_comment_rcu *c = rcu_dereference_bh(comment->c); struct ip_set_comment_rcu *c = rcu_dereference(comment->c);
if (!c) if (!c)
return 0; return 0;