netdev - [PATCH 06/40] genetlink: export genl_unregister_mc

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Message-Id: <a8d3363cc0d5551acd376182329a7fada213d46e.1228503077.git.inaky@linux.intel.com>
Date:	Fri,  5 Dec 2008 10:54:59 -0800
From:	Inaky Perez-Gonzalez <inaky@...ux.intel.com>
To:	netdev@...r.kernel.org
Cc:	wimax@...uxwimax.org, greg@...ah.com, Thomas Graf <tgraf@...g.ch>
Subject: [PATCH 06/40] genetlink: export genl_unregister_mc_group()

Add an EXPORT_SYMBOL() to genl_unregister_mc_group(), to allow
unregistering groups on the run. EXPORT_SYMBOL_GPL() is not used as
the rest of the functions exported by this module (eg:
genl_register_mc_group) are also not _GPL().

Cleanup is currently done when unregistering a family, but there is
no way to unregister a single multicast group due to that function not
being exported. Seems to be a mistake as it is documented as for
external consumption.

This is needed by the WiMAX stack to be able to cleanup unused mc
groups.

Signed-off-by: Inaky Perez-Gonzalez <inaky@...ux.intel.com>
Acked-by: Johannes Berg <johannes@...solutions.net>
Cc: Thomas Graf <tgraf@...g.ch>
---
 net/netlink/genetlink.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c
index 3e1191c..1d3dd30 100644
--- a/net/netlink/genetlink.c
+++ b/net/netlink/genetlink.c
@@ -225,6 +225,7 @@ void genl_unregister_mc_group(struct genl_family *family,
 	__genl_unregister_mc_group(family, grp);
 	genl_unlock();
 }
+EXPORT_SYMBOL(genl_unregister_mc_group);

 static void genl_unregister_mc_groups(struct genl_family *family)
 {
-- 
1.5.6.5

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