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Subject[PATCH 06/17] Update the infiniband uverbs driver to use idr helper functions.
Date
Signed-off-by: Lee Duncan <lduncan@suse.com>
---
drivers/infiniband/core/uverbs_cmd.c | 12 ++----------
1 file changed, 2 insertions(+), 10 deletions(-)

diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index bbb02ffe87df..1e5b2a66a501 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -120,24 +120,16 @@ static int idr_add_uobj(struct idr *idr, struct ib_uobject *uobj)
{
int ret;

- idr_preload(GFP_KERNEL);
- spin_lock(&ib_uverbs_idr_lock);
-
- ret = idr_alloc(idr, uobj, 0, 0, GFP_NOWAIT);
+ ret = idr_get_index(idr, &ib_uverbs_idr_lock, uobj);
if (ret >= 0)
uobj->id = ret;

- spin_unlock(&ib_uverbs_idr_lock);
- idr_preload_end();
-
return ret < 0 ? ret : 0;
}

void idr_remove_uobj(struct idr *idr, struct ib_uobject *uobj)
{
- spin_lock(&ib_uverbs_idr_lock);
- idr_remove(idr, uobj->id);
- spin_unlock(&ib_uverbs_idr_lock);
+ idr_put_index(idr, &ib_uverbs_idr_lock, uobj->id);
}

static struct ib_uobject *__idr_get_uobj(struct idr *idr, int id,
--
2.1.4


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