diff options
| author | Marcel Holtmann <marcel@holtmann.org> | 2019-04-24 22:18:53 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-04-26 11:59:58 -0400 |
| commit | 4e43df38a2e6c876d3c8ecc4196ed67a895c425d (patch) | |
| tree | 766d8b19f5cbd48926efce04fda517e1554b8ad8 | |
| parent | 88ef66a28391ea7b624bfb7508a5b015c13b28f3 (diff) | |
| download | linux-4e43df38a2e6c876d3c8ecc4196ed67a895c425d.tar.gz linux-4e43df38a2e6c876d3c8ecc4196ed67a895c425d.tar.bz2 linux-4e43df38a2e6c876d3c8ecc4196ed67a895c425d.zip | |
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: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/netlink/genetlink.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c index f0ec068e1d02..cb69d35c8e6a 100644 --- a/net/netlink/genetlink.c +++ b/net/netlink/genetlink.c @@ -362,8 +362,8 @@ int genl_register_family(struct genl_family *family) } else family->attrbuf = NULL; - family->id = idr_alloc(&genl_fam_idr, family, - start, end + 1, GFP_KERNEL); + family->id = idr_alloc_cyclic(&genl_fam_idr, family, + start, end + 1, GFP_KERNEL); if (family->id < 0) { err = family->id; goto errout_free; |