diff options
Diffstat (limited to 'include/net/tc_act/tc_tunnel_key.h')
-rw-r--r-- | include/net/tc_act/tc_tunnel_key.h | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/include/net/tc_act/tc_tunnel_key.h b/include/net/tc_act/tc_tunnel_key.h index 0689d9bcdf84..879fe8cff581 100644 --- a/include/net/tc_act/tc_tunnel_key.h +++ b/include/net/tc_act/tc_tunnel_key.h @@ -28,8 +28,10 @@ static inline bool is_tcf_tunnel_set(const struct tc_action *a) { #ifdef CONFIG_NET_CLS_ACT struct tcf_tunnel_key *t = to_tunnel_key(a); - struct tcf_tunnel_key_params *params = rtnl_dereference(t->params); + struct tcf_tunnel_key_params *params; + params = rcu_dereference_protected(t->params, + lockdep_is_held(&a->tcfa_lock)); if (a->ops && a->ops->id == TCA_ID_TUNNEL_KEY) return params->tcft_action == TCA_TUNNEL_KEY_ACT_SET; #endif @@ -40,8 +42,10 @@ static inline bool is_tcf_tunnel_release(const struct tc_action *a) { #ifdef CONFIG_NET_CLS_ACT struct tcf_tunnel_key *t = to_tunnel_key(a); - struct tcf_tunnel_key_params *params = rtnl_dereference(t->params); + struct tcf_tunnel_key_params *params; + params = rcu_dereference_protected(t->params, + lockdep_is_held(&a->tcfa_lock)); if (a->ops && a->ops->id == TCA_ID_TUNNEL_KEY) return params->tcft_action == TCA_TUNNEL_KEY_ACT_RELEASE; #endif @@ -52,7 +56,10 @@ static inline struct ip_tunnel_info *tcf_tunnel_info(const struct tc_action *a) { #ifdef CONFIG_NET_CLS_ACT struct tcf_tunnel_key *t = to_tunnel_key(a); - struct tcf_tunnel_key_params *params = rtnl_dereference(t->params); + struct tcf_tunnel_key_params *params; + + params = rcu_dereference_protected(t->params, + lockdep_is_held(&a->tcfa_lock)); return ¶ms->tcft_enc_metadata->u.tun_info; #else @@ -69,7 +76,7 @@ tcf_tunnel_info_copy(const struct tc_action *a) if (tun) { size_t tun_size = sizeof(*tun) + tun->options_len; struct ip_tunnel_info *tun_copy = kmemdup(tun, tun_size, - GFP_KERNEL); + GFP_ATOMIC); return tun_copy; } |