SUNRPC: 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: Trond Myklebust <trond.myklebust@primarydata.com>

1 files changed, 4 insertions, 8 deletions

diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index b140c092d226..425ca2f37dd9 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -1092,14 +1092,10 @@ void
 rpc_destroy_mempool(void)
 {
         rpciod_stop();
-        if (rpc_buffer_mempool)
-                mempool_destroy(rpc_buffer_mempool);
-        if (rpc_task_mempool)
-                mempool_destroy(rpc_task_mempool);
-        if (rpc_task_slabp)
-                kmem_cache_destroy(rpc_task_slabp);
-        if (rpc_buffer_slabp)
-                kmem_cache_destroy(rpc_buffer_slabp);
+        mempool_destroy(rpc_buffer_mempool);
+        mempool_destroy(rpc_task_mempool);
+        kmem_cache_destroy(rpc_task_slabp);
+        kmem_cache_destroy(rpc_buffer_slabp);
         rpc_destroy_wait_queue(&delay_queue);
 }