[PATCH 1/32] [TIPC] Improved tolerance to promiscuous mode interface

[Per Liden]

From: Jon Maloy <[EMAIL PROTECTED]>

Signed-off-by: Jon Maloy <[EMAIL PROTECTED]>
Signed-off-by: Per Liden <[EMAIL PROTECTED]>
---
 net/tipc/eth_media.c |   20 +++++++++++---------
 1 files changed, 11 insertions(+), 9 deletions(-)

diff --git a/net/tipc/eth_media.c b/net/tipc/eth_media.c
index 7a25278..b646619 100644
--- a/net/tipc/eth_media.c
+++ b/net/tipc/eth_media.c
@@ -98,17 +98,19 @@ static int recv_msg(struct sk_buff *buf,
        u32 size;
 
        if (likely(eb_ptr->bearer)) {
-               size = msg_size((struct tipc_msg *)buf->data);
-               skb_trim(buf, size);
-               if (likely(buf->len == size)) {
-                       buf->next = NULL;
-                       tipc_recv_msg(buf, eb_ptr->bearer);
-               } else {
-                       kfree_skb(buf);
+              if (likely(!dev->promiscuity) ||
+                  !memcmp(buf->mac.raw,dev->dev_addr,ETH_ALEN) ||
+                  !memcmp(buf->mac.raw,dev->broadcast,ETH_ALEN)) {
+                       size = msg_size((struct tipc_msg *)buf->data);
+                       skb_trim(buf, size);
+                       if (likely(buf->len == size)) {
+                               buf->next = NULL;
+                               tipc_recv_msg(buf, eb_ptr->bearer);
+                               return TIPC_OK;
+                       }
                }
-       } else {
-               kfree_skb(buf);
        }
+       kfree_skb(buf);
        return TIPC_OK;
 }
 
-- 
1.4.0

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