diff options
Diffstat (limited to 'include/net/netfilter/nf_conntrack_labels.h')
| -rw-r--r-- | include/net/netfilter/nf_conntrack_labels.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/include/net/netfilter/nf_conntrack_labels.h b/include/net/netfilter/nf_conntrack_labels.h index 3c23298e68ca..66bab6c60d12 100644 --- a/include/net/netfilter/nf_conntrack_labels.h +++ b/include/net/netfilter/nf_conntrack_labels.h @@ -17,10 +17,18 @@ struct nf_conn_labels { unsigned long bits[NF_CT_LABELS_MAX_SIZE / sizeof(long)]; }; +/* Can't use nf_ct_ext_find(), flow dissector cannot use symbols + * exported by nf_conntrack module. + */ static inline struct nf_conn_labels *nf_ct_labels_find(const struct nf_conn *ct) { #ifdef CONFIG_NF_CONNTRACK_LABELS - return nf_ct_ext_find(ct, NF_CT_EXT_LABELS); + struct nf_ct_ext *ext = ct->ext; + + if (!ext || !__nf_ct_ext_exist(ext, NF_CT_EXT_LABELS)) + return NULL; + + return (void *)ct->ext + ct->ext->offset[NF_CT_EXT_LABELS]; #else return NULL; #endif |