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IB/cxgb4: 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 17:04:20 -08:00 committed by Linus Torvalds
parent 6fa780095f
commit e8d4dd606b
1 changed files with 13 additions and 12 deletions
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25
drivers/infiniband/hw/cxgb4/iw_cxgb4.h
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@ -260,20 +260,21 @@ static inline int _insert_handle(struct c4iw_dev *rhp, struct idr *idr,
void *handle, u32 id, int lock)
{
int ret;
int newid;
do {
if (!idr_pre_get(idr, lock ? GFP_KERNEL : GFP_ATOMIC))
return -ENOMEM;
if (lock)
spin_lock_irq(&rhp->lock);
ret = idr_get_new_above(idr, handle, id, &newid);
BUG_ON(!ret && newid != id);
if (lock)
spin_unlock_irq(&rhp->lock);
} while (ret == -EAGAIN);
if (lock) {
idr_preload(GFP_KERNEL);
spin_lock_irq(&rhp->lock);
}
return ret;
ret = idr_alloc(idr, handle, id, id + 1, GFP_ATOMIC);
if (lock) {
spin_unlock_irq(&rhp->lock);
idr_preload_end();
}
BUG_ON(ret == -ENOSPC);
return ret < 0 ? ret : 0;
}
static inline int insert_handle(struct c4iw_dev *rhp, struct idr *idr,