diff options
| author | Tejun Heo <tj@kernel.org> | 2013-02-27 17:04:14 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-02-27 19:10:16 -0800 |
| commit | cc39a8faedc936df90cac077b2da6f420a777259 (patch) | |
| tree | f226cc9cda2be4c5badd493636a8b6d0f6331b6a /drivers/gpu | |
| parent | 36888db24765478a463ac6f443b175ad885dee25 (diff) | |
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>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_resource.c | 17 |
1 files 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; } /** |