diff options
| author | Zhao Hongjiang <zhaohongjiang@huawei.com> | 2013-08-08 12:55:45 +1000 |
|---|---|---|
| committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2013-08-08 12:55:45 +1000 |
| commit | 4b65dc18c042d607b852e554eda018b410aa9a33 (patch) | |
| tree | 4e404f42b80a574a4eb96c4ced8370559996e0c3 | |
| parent | dcb471f43ba03c801df55c198ed4044085eba552 (diff) | |
drivers/infiniband/core/cm.c: convert to using idr_alloc_cyclic()
commit 3e6628c4b347 ("idr: introduce idr_alloc_cyclic()") adds a new
idr_alloc_cyclic routine and converts several of these users to it. This
is just a missed one - add it.
Signed-off-by: Zhao Hongjiang <zhaohongjiang@huawei.com>
Cc: Roland Dreier <roland@kernel.org>
Cc: Tejun Heo <tj@kernel.org>
Cc: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | drivers/infiniband/core/cm.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c index 784b97cb05b0..f2ef7ef0f36f 100644 --- a/drivers/infiniband/core/cm.c +++ b/drivers/infiniband/core/cm.c @@ -383,14 +383,11 @@ static int cm_alloc_id(struct cm_id_private *cm_id_priv) { unsigned long flags; int id; - static int next_id; idr_preload(GFP_KERNEL); spin_lock_irqsave(&cm.lock, flags); - id = idr_alloc(&cm.local_id_table, cm_id_priv, next_id, 0, GFP_NOWAIT); - if (id >= 0) - next_id = max(id + 1, 0); + id = idr_alloc_cyclic(&cm.local_id_table, cm_id_priv, 0, 0, GFP_NOWAIT); spin_unlock_irqrestore(&cm.lock, flags); idr_preload_end(); |