commit | 2429f7ac2ef429378536d87fcbbf6f424aa5b47f | [log] [tgz] |
---|---|---|
author | Jiri Pirko <jpirko@redhat.com> | Mon Jan 09 06:36:54 2012 +0000 |
committer | David S. Miller <davem@davemloft.net> | Mon Jan 09 12:46:58 2012 -0800 |
tree | 15e0fd0c42f6e10ede9f1cf84553c2a01e593d81 | |
parent | ab16ebf375f0513d6b0f5193de84186a3fc0c33b [diff] |
net: introduce netif_addr_lock_nested() and call if when appropriate dev_uc_sync() and dev_mc_sync() are acquiring netif_addr_lock for destination device of synchronization. Since netif_addr_lock is already held at the time for source device, this triggers lockdep deadlock warning. There's no way this deadlock can happen so use spin_lock_nested() to silence the warning. Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>