From cc39a8faedc936df90cac077b2da6f420a777259 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Wed, 27 Feb 2013 17:04:14 -0800 Subject: [PATCH] drm/vmwgfx: convert to idr_alloc() Convert to the much saner new idr interface. Signed-off-by: Tejun Heo Acked-by: David Airlie Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/gpu/drm/vmwgfx/vmwgfx_resource.c | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c index 16556170fb32..bc784254e78e 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c @@ -177,17 +177,16 @@ int vmw_resource_alloc_id(struct vmw_resource *res) BUG_ON(res->id != -1); - do { - if (unlikely(idr_pre_get(idr, GFP_KERNEL) == 0)) - return -ENOMEM; - - write_lock(&dev_priv->resource_lock); - ret = idr_get_new_above(idr, res, 1, &res->id); - write_unlock(&dev_priv->resource_lock); + idr_preload(GFP_KERNEL); + write_lock(&dev_priv->resource_lock); - } while (ret == -EAGAIN); + ret = idr_alloc(idr, res, 1, 0, GFP_NOWAIT); + if (ret >= 0) + res->id = ret; - return ret; + write_unlock(&dev_priv->resource_lock); + idr_preload_end(); + return ret < 0 ? ret : 0; } /** -- 2.30.2