openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

IB/amso1100: 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>
Cc: Tom Tucker <tom@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 17:04:17 -08:00 committed by Linus Torvalds
parent 3b069c5d85
commit ac1d68296b
1 changed files with 11 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
drivers/infiniband/hw/amso1100/c2_qp.c
View File

@ -382,14 +382,17 @@ static int c2_alloc_qpn(struct c2_dev *c2dev, struct c2_qp *qp)
{
int ret;
do {
spin_lock_irq(&c2dev->qp_table.lock);
ret = idr_get_new_above(&c2dev->qp_table.idr, qp,
c2dev->qp_table.last++, &qp->qpn);
spin_unlock_irq(&c2dev->qp_table.lock);
} while ((ret == -EAGAIN) &&
idr_pre_get(&c2dev->qp_table.idr, GFP_KERNEL));
return ret;
idr_preload(GFP_KERNEL);
spin_lock_irq(&c2dev->qp_table.lock);
ret = idr_alloc(&c2dev->qp_table.idr, qp, c2dev->qp_table.last++, 0,
GFP_NOWAIT);
if (ret >= 0)
qp->qpn = ret;
spin_unlock_irq(&c2dev->qp_table.lock);
idr_preload_end();
return ret < 0 ? ret : 0;
}
static void c2_free_qpn(struct c2_dev *c2dev, int qpn)