From b9eb1a6174e58eb8beea664ffc20d152230d8004 Mon Sep 17 00:00:00 2001 From: Thomas Hellstrom Date: Thu, 2 Apr 2015 02:39:45 -0700 Subject: drm/vmwgfx: Kill a bunch of sparse warnings We're giving up all attempts to keep cpu- and device byte ordering separate. This silences sparse when compiled using make C=2 CF="-D__CHECK_ENDIAN__" Signed-off-by: Thomas Hellstrom --- drivers/gpu/drm/vmwgfx/vmwgfx_resource.c | 17 +++++++---------- 1 file changed, 7 insertions(+), 10 deletions(-) (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_resource.c') diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c index 69b471af0130..be2809aaa7cb 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c @@ -121,6 +121,7 @@ static void vmw_resource_release(struct kref *kref) int id; struct idr *idr = &dev_priv->res_idr[res->func->res_type]; + write_lock(&dev_priv->resource_lock); res->avail = false; list_del_init(&res->lru_head); write_unlock(&dev_priv->resource_lock); @@ -156,20 +157,17 @@ static void vmw_resource_release(struct kref *kref) kfree(res); write_lock(&dev_priv->resource_lock); - if (id != -1) idr_remove(idr, id); + write_unlock(&dev_priv->resource_lock); } void vmw_resource_unreference(struct vmw_resource **p_res) { struct vmw_resource *res = *p_res; - struct vmw_private *dev_priv = res->dev_priv; *p_res = NULL; - write_lock(&dev_priv->resource_lock); kref_put(&res->kref, vmw_resource_release); - write_unlock(&dev_priv->resource_lock); } @@ -260,17 +258,16 @@ void vmw_resource_activate(struct vmw_resource *res, write_unlock(&dev_priv->resource_lock); } -struct vmw_resource *vmw_resource_lookup(struct vmw_private *dev_priv, - struct idr *idr, int id) +static struct vmw_resource *vmw_resource_lookup(struct vmw_private *dev_priv, + struct idr *idr, int id) { struct vmw_resource *res; read_lock(&dev_priv->resource_lock); res = idr_find(idr, id); - if (res && res->avail) - kref_get(&res->kref); - else + if (!res || !res->avail || !kref_get_unless_zero(&res->kref)) res = NULL; + read_unlock(&dev_priv->resource_lock); if (unlikely(res == NULL)) @@ -1306,7 +1303,7 @@ vmw_resource_backoff_reservation(struct ttm_validate_buffer *val_buf) * @res: The resource to evict. * @interruptible: Whether to wait interruptible. */ -int vmw_resource_do_evict(struct vmw_resource *res, bool interruptible) +static int vmw_resource_do_evict(struct vmw_resource *res, bool interruptible) { struct ttm_validate_buffer val_buf; const struct vmw_res_func *func = res->func; -- cgit v1.2.3