drm/vmwgfx: 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/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
index 1655617..bc78425 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
@@ -177,17 +177,16 @@
BUG_ON(res->id != -1);
- do {
- if (unlikely(idr_pre_get(idr, GFP_KERNEL) == 0))
- return -ENOMEM;
+ idr_preload(GFP_KERNEL);
+ write_lock(&dev_priv->resource_lock);
- write_lock(&dev_priv->resource_lock);
- ret = idr_get_new_above(idr, res, 1, &res->id);
- write_unlock(&dev_priv->resource_lock);
+ ret = idr_alloc(idr, res, 1, 0, GFP_NOWAIT);
+ if (ret >= 0)
+ res->id = ret;
- } while (ret == -EAGAIN);
-
- return ret;
+ write_unlock(&dev_priv->resource_lock);
+ idr_preload_end();
+ return ret < 0 ? ret : 0;
}
/**