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| author | Ingo Molnar <mingo@elte.hu> | 2009-02-13 09:34:07 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-02-13 09:34:07 +0100 |
| commit | e9c4ffb11f0b19005b5b9dc8481687a3637e5887 (patch) | |
| tree | 7007f2ff846b9b057c5cd7c25e8b82e49f9b4b63 /drivers/net/tun.c | |
| parent | 4bcf349a0f90d1e69eb35c6df0fa285c886c1cd6 (diff) | |
| parent | 071a0bc2ceace31266836801510879407a3701fa (diff) | |
| download | linux-e9c4ffb11f0b19005b5b9dc8481687a3637e5887.tar.bz2 | |
Merge branch 'linus' into perfcounters/core
Conflicts:
arch/x86/kernel/acpi/boot.c
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. */ |