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rtnl: reset calcit fptr in rtnl_unregister()

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To avoid having dangling function pointers left behind, reset calcit in
rtnl_unregister(), too.

This is no issue so far, as only the rtnl core registers a netlink
handler with a calcit hook which won't be unregistered, but may become
one if new code makes use of the calcit hook.

Fixes: c7ac8679bec9 ("rtnetlink: Compute and store minimum ifinfo...")
Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Cc: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Mathias Krause <minipli@googlemail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Mathias Krause 2016-11-07 23:22:19 +01:00 committed by David S. Miller
parent 4053ab1bf9
commit f567e950bf
1 changed files with 1 additions and 0 deletions
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net/core/rtnetlink.c
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@ -275,6 +275,7 @@ int rtnl_unregister(int protocol, int msgtype)
rtnl_msg_handlers[protocol][msgindex].doit = NULL;
rtnl_msg_handlers[protocol][msgindex].dumpit = NULL;
rtnl_msg_handlers[protocol][msgindex].calcit = NULL;
return 0;
}