David Ahern 22e6c58b8c netlink: Add answer_flags to netlink_callback ... With dump filtering we need a way to ensure the NLM_F_DUMP_FILTERED flag is set on a message back to the user if the data returned is influenced by some input attributes. Normally this can be done as messages are added to the skb, but if the filter results in no data being returned, the user could be confused as to why. This patch adds answer_flags to the netlink_callback allowing dump handlers to set the NLM_F_DUMP_FILTERED at a minimum in the NLMSG_DONE message ensuring the flag gets back to the user. The netlink_callback space is initialized to 0 via a memset in __netlink_dump_start, so init of the new answer_flags is covered. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>		2018-10-16 00:13:12 -07:00
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af_netlink.c	netlink: Add answer_flags to netlink_callback	2018-10-16 00:13:12 -07:00
af_netlink.h	netlink: Add new socket option to enable strict checking on dumps	2018-10-08 10:39:04 -07:00
diag.c	rhashtable: Change rhashtable_walk_start to return void	2017-12-11 09:58:38 -05:00
genetlink.c	treewide: kmalloc() -> kmalloc_array()	2018-06-12 16:19:22 -07:00
Kconfig	netlink: remove mmapped netlink support	2016-02-18 11:42:18 -05:00
Makefile	netlink: Diag core and basic socket info dumping (v2)	2013-03-21 12:38:03 -04:00