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IB/cxgb3: convert to idr_alloc()

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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>
This commit is contained in:
Tejun Heo 2013-02-27 17:04:18 -08:00 committed by Linus Torvalds
parent ac1d68296b
commit 6fa780095f
1 changed files with 9 additions and 11 deletions
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20
drivers/infiniband/hw/cxgb3/iwch.h
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@ -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);
idr_preload(GFP_KERNEL);
spin_lock_irq(&rhp->lock);
return ret;
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)