| From | Tejun Heo <> | Subject | [PATCH 36/77] drm/vmwgfx: convert to idr_alloc() | Date | Wed, 6 Feb 2013 11:40:08 -0800 |
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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 --- 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 e01a17b..c9d0676 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; } /** -- 1.8.1
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