From: Tejun Heo <tj@kernel.org>
Date: Thu, 28 Feb 2013 01:04:12 +0000 (-0800)
Subject: drm/via: convert to idr_alloc()
X-Git-Tag: v3.9-rc1~46^2~86
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=36888db24765478a463ac6f443b175ad885dee25;p=platform%2Fkernel%2Flinux-exynos.git

drm/via: convert to idr_alloc()

Convert to the much saner new idr interface.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: David Airlie <airlied@linux.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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);