From: David L Stevens <dlstevens@us.ibm.com>
Date: Sat, 9 Jul 2005 00:39:23 +0000 (-0700)
Subject: [IPV4]: multicast API "join" issues
X-Git-Tag: v2.6.13-rc3~108
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8cdaaa15da58806ac3c75d96c40aef9e31445a25;p=pandora-kernel.git

[IPV4]: multicast API "join" issues

1) Changes IP_ADD_SOURCE_MEMBERSHIP and MCAST_JOIN_SOURCE_GROUP to ignore
   EADDRINUSE errors on a "courtesy join" -- prior membership or not
   is ok for these.

2) Adds "leave group" equivalence of (INCLUDE, empty) filters in the
   delta-based API. Without this, mixing delta-based API calls that
   end in an (INCLUDE, empty) filter would not allow a subsequent
   regular IP_ADD_MEMBERSHIP. It also frees socket buffer memory that
   isn't needed for both the multicast group record and source filter.

Signed-off-by: David L Stevens <dlstevens@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

Reading git-diff-tree failed