Fix problem with identifying SNAP frames when extracting flows.

The ssap field was being checked twice to see if it was SNAP, when one of the checks should have been dsap.

diff --git a/datapath/snap.h b/datapath/snap.h
index 02ff18f2b861e37750c273c9fec04aa49591da34..446b5f22dba25caffab578fbbdfbc8a34d19803e 100644 (file)
--- a/datapath/snap.h
+++ b/datapath/snap.h
@@ -20,7 +20,7 @@ static inline int snap_get_ethertype(struct sk_buff *skb, uint16_t *ethertype)
        struct snap_hdr *sh = (struct snap_hdr *)(skb->data 
                                + sizeof(struct ethhdr));
        if (((sh->dsap & 0xFE) != LLC_SAP_SNAP) 
-                               || ((sh->dsap & 0xFE) != LLC_SAP_SNAP)
+                               || ((sh->ssap & 0xFE) != LLC_SAP_SNAP)
                                || (!memcmp(sh->oui, "\0\0\0", SNAP_OUI_LEN)))
                return -EINVAL;