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drivers/infiniband/hw/mlx4: convert to using idr_alloc_cyclic()

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Signed-off-by: Jeff Layton <jlayton@redhat.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Jack Morgenstein <jackm@dev.mellanox.co.il>
Cc: Or Gerlitz <ogerlitz@mellanox.com>
Cc: Roland Dreier <roland@purestorage.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jeff Layton 2013-04-29 16:21:19 -07:00 committed by Linus Torvalds
parent c027e44677
commit f2d9db877f
1 changed files with 1 additions and 3 deletions
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4
drivers/infiniband/hw/mlx4/cm.c
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@ -204,7 +204,6 @@ static struct id_map_entry *
id_map_alloc(struct ib_device *ibdev, int slave_id, u32 sl_cm_id)
{
int ret;
static int next_id;
struct id_map_entry *ent;
struct mlx4_ib_sriov *sriov = &to_mdev(ibdev)->sriov;
@ -223,9 +222,8 @@ id_map_alloc(struct ib_device *ibdev, int slave_id, u32 sl_cm_id)
idr_preload(GFP_KERNEL);
spin_lock(&to_mdev(ibdev)->sriov.id_map_lock);
ret = idr_alloc(&sriov->pv_id_table, ent, next_id, 0, GFP_NOWAIT);
ret = idr_alloc_cyclic(&sriov->pv_id_table, ent, 0, 0, GFP_NOWAIT);
if (ret >= 0) {
next_id = max(ret + 1, 0);
ent->pv_cm_id = (u32)ret;
sl_id_map_add(ibdev, ent);
list_add_tail(&ent->list, &sriov->cm_list);