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Commit 23eb06de authored by Eric W. Biederman's avatar Eric W. Biederman Committed by David S. Miller
Browse files

sysctl: Remember the ctl_table we passed to register_sysctl_paths 



By doing this we allow users of register_sysctl_paths that build
and dynamically allocate their ctl_table to be simpler.  This allows
them to just remember the ctl_table_header returned from
register_sysctl_paths from which they can now find the
ctl_table array they need to free.

Signed-off-by: default avatarEric W. Biederman <ebiederm@xmission.com>
Cc: Serge Hallyn <serue@us.ibm.com>
Cc: Daniel Lezcano <dlezcano@fr.ibm.com>
Cc: Cedric Le Goater <clg@fr.ibm.com>
Cc: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 29e796fd

include/linux/sysctl.h

+1 −0
Original line number Diff line number Diff line
@@ -1057,6 +1057,7 @@ struct ctl_table_header 
	struct list_head ctl_entry;

	int used;

	struct completion *unregistering;

	struct ctl_table *ctl_table_arg;

};



/* struct ctl_path describes where in the hierarchy a table is added */

kernel/sysctl.c

+1 −0
Original line number Diff line number Diff line
@@ -1669,6 +1669,7 @@ struct ctl_table_header *register_sysctl_paths(const struct ctl_path *path, 
		new += 2;

	}

	*prevp = table;

	header->ctl_table_arg = table;



	INIT_LIST_HEAD(&header->ctl_entry);

	header->used = 0;