[PATCH 19/62] drm/via: convert to idr_alloc()

[Tejun Heo <tj@kernel.org>]

Convert to the much saner new idr interface.

Only compile tested.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: David Airlie <airlied@linux.ie>
Cc: dri-devel@lists.freedesktop.org
---
This patch depends on an earlier idr changes and I think it would be
best to route these together through -mm.  Please holler if there's
any objection.  Thanks.

 drivers/gpu/drm/via/via_mm.c | 13 +++----------
 1 file changed, 3 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/via/via_mm.c b/drivers/gpu/drm/via/via_mm.c
index 0d55432..0ab93ff 100644
--- a/drivers/gpu/drm/via/via_mm.c
+++ b/drivers/gpu/drm/via/via_mm.c
@@ -148,17 +148,10 @@ int via_mem_alloc(struct drm_device *dev, void *data,
 	if (retval)
 		goto fail_alloc;
 
-again:
-	if (idr_pre_get(&dev_priv->object_idr, GFP_KERNEL) == 0) {
-		retval = -ENOMEM;
-		goto fail_idr;
-	}
-
-	retval = idr_get_new_above(&dev_priv->object_idr, item, 1, &user_key);
-	if (retval == -EAGAIN)
-		goto again;
-	if (retval)
+	retval = idr_alloc(&dev_priv->object_idr, item, 1, 0, GFP_KERNEL);
+	if (retval < 0)
 		goto fail_idr;
+	user_key = retval;
 
 	list_add(&item->owner_list, &file_priv->obj_list);
 	mutex_unlock(&dev->struct_mutex);
-- 
1.8.1