diff options
| author | Tejun Heo <tj@kernel.org> | 2013-02-27 17:04:18 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-02-27 19:10:16 -0800 |
| commit | 6fa780095f058f0960f220754217701a53a9e403 (patch) | |
| tree | cb5bbc2e043f90ffead9a4c8162d2d7aaf02cea9 /drivers/infiniband/hw | |
| parent | ac1d68296b2504cd878e328be21eebb6093b7f27 (diff) | |
IB/cxgb3: convert to idr_alloc()
Convert to the much saner new idr interface.
Signed-off-by: Tejun Heo <tj@kernel.org>
Reviewed-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/infiniband/hw')
| -rw-r--r-- | drivers/infiniband/hw/cxgb3/iwch.h | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/drivers/infiniband/hw/cxgb3/iwch.h b/drivers/infiniband/hw/cxgb3/iwch.h index a1c44578e03..837862287a2 100644 --- a/drivers/infiniband/hw/cxgb3/iwch.h +++ b/drivers/infiniband/hw/cxgb3/iwch.h @@ -153,19 +153,17 @@ static inline int insert_handle(struct iwch_dev *rhp, struct idr *idr, void *handle, u32 id) { int ret; - int newid; - - do { - if (!idr_pre_get(idr, GFP_KERNEL)) { - return -ENOMEM; - } - spin_lock_irq(&rhp->lock); - ret = idr_get_new_above(idr, handle, id, &newid); - BUG_ON(newid != id); - spin_unlock_irq(&rhp->lock); - } while (ret == -EAGAIN); - - return ret; + + idr_preload(GFP_KERNEL); + spin_lock_irq(&rhp->lock); + + ret = idr_alloc(idr, handle, id, id + 1, GFP_NOWAIT); + + spin_unlock_irq(&rhp->lock); + idr_preload_end(); + + BUG_ON(ret == -ENOSPC); + return ret < 0 ? ret : 0; } static inline void remove_handle(struct iwch_dev *rhp, struct idr *idr, u32 id) |