drm: i915: drop null test before destroy functions

Remove unneeded NULL test.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@ expression x; @@
-if (x != NULL)
  \(kmem_cache_destroy\|mempool_destroy\|dma_pool_destroy\)(x);
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

1 files changed, 6 insertions, 13 deletions

diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 817b05ce8dd3..ae1ba47e4ef0 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1074,12 +1074,9 @@ out_freecsr:
 put_bridge:
         pci_dev_put(dev_priv->bridge_dev);
 free_priv:
-        if (dev_priv->requests)
-                kmem_cache_destroy(dev_priv->requests);
-        if (dev_priv->vmas)
-                kmem_cache_destroy(dev_priv->vmas);
-        if (dev_priv->objects)
-                kmem_cache_destroy(dev_priv->objects);
+        kmem_cache_destroy(dev_priv->requests);
+        kmem_cache_destroy(dev_priv->vmas);
+        kmem_cache_destroy(dev_priv->objects);
         kfree(dev_priv);
         return ret;
 }
@@ -1170,13 +1167,9 @@ int i915_driver_unload(struct drm_device *dev)
         if (dev_priv->regs != NULL)
                 pci_iounmap(dev->pdev, dev_priv->regs);
 
-        if (dev_priv->requests)
-                kmem_cache_destroy(dev_priv->requests);
-        if (dev_priv->vmas)
-                kmem_cache_destroy(dev_priv->vmas);
-        if (dev_priv->objects)
-                kmem_cache_destroy(dev_priv->objects);
-
+        kmem_cache_destroy(dev_priv->requests);
+        kmem_cache_destroy(dev_priv->vmas);
+        kmem_cache_destroy(dev_priv->objects);
         pci_dev_put(dev_priv->bridge_dev);
         kfree(dev_priv);