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authorPatrick McHardy2013-04-17 06:47:00 +0000
committerDavid S. Miller2013-04-19 14:57:57 -0400
commitcf0a018ac669955c10e4fca24fa55dde58434e9a (patch)
treeb2c087fe536127cf30639a773a8da78452994041 /fs/Makefile
parent1298ca4671acb10310baa550ed044c553e3a3387 (diff)
netlink: add netlink_skb_set_owner_r()
For mmap'ed I/O a netlink specific skb destructor needs to be invoked after the final kfree_skb() to clean up state. This doesn't work currently since the skb's ownership is transfered to the receiving socket using skb_set_owner_r(), which orphans the skb, thereby invoking the destructor prematurely. Since netlink doesn't account skbs to the originating socket, there's no need to orphan the skb. Add a netlink specific skb_set_owner_r() variant that does not orphan the skb and use a netlink specific destructor to call sock_rfree(). Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'fs/Makefile')
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