diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-02-12 13:08:57 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-02-12 13:08:57 +0100 |
| commit | 871cafcc962fa1655c44b4f0e54d4c5cc14e273c (patch) | |
| tree | fdb7bc65d2606c85b7be6c33ba0dfd5b4e472245 /drivers/net/tun.c | |
| parent | cf2592f59c0e8ed4308adbdb2e0a88655379d579 (diff) | |
| parent | b578f3fcca1e78624dfb5f358776e63711d7fda2 (diff) | |
Merge branch 'linus' into core/softlockup
Diffstat (limited to 'drivers/net/tun.c')
| -rw-r--r-- | drivers/net/tun.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c index d7b81e4fdd56..09fea31d3e36 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -157,10 +157,16 @@ static int update_filter(struct tap_filter *filter, void __user *arg) nexact = n; - /* The rest is hashed */ + /* Remaining multicast addresses are hashed, + * unicast will leave the filter disabled. */ memset(filter->mask, 0, sizeof(filter->mask)); - for (; n < uf.count; n++) + for (; n < uf.count; n++) { + if (!is_multicast_ether_addr(addr[n].u)) { + err = 0; /* no filter */ + goto done; + } addr_hash_set(filter->mask, addr[n].u); + } /* For ALLMULTI just set the mask to all ones. * This overrides the mask populated above. */ |