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Commit 4e43df38 authored by Marcel Holtmann's avatar Marcel Holtmann Committed by David S. Miller
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genetlink: use idr_alloc_cyclic for family->id assignment 



When allocating the next family->id it makes more sense to use
idr_alloc_cyclic to avoid re-using a previously used family->id as much
as possible.

Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 88ef66a2

net/netlink/genetlink.c

+2 −2
Original line number Diff line number Diff line
@@ -362,7 +362,7 @@ int genl_register_family(struct genl_family *family) 
	} else

		family->attrbuf = NULL;



	family->id = idr_alloc(&genl_fam_idr, family,

	family->id = idr_alloc_cyclic(&genl_fam_idr, family,

				      start, end + 1, GFP_KERNEL);

	if (family->id < 0) {

		err = family->id;