mtd: nandsim: 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: Brian Norris <computersforpeace@gmail.com>

diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c
index 95d0cc49cfc2f4e37013f3e1bfc176d3c1b2ec78..b16d70aafd9ecb3d241fa91956cbe498a0fdb83e 100644 (file)
--- a/drivers/mtd/nand/nandsim.c
+++ b/drivers/mtd/nand/nandsim.c
@@ -649,8 +649,7 @@ static void free_device(struct nandsim *ns)
                                kmem_cache_free(ns->nand_pages_slab,
                                                ns->pages[i].byte);
                }
-               if (ns->nand_pages_slab)
-                       kmem_cache_destroy(ns->nand_pages_slab);
+               kmem_cache_destroy(ns->nand_pages_slab);
                vfree(ns->pages);
        }
 }