From: Tim Hansen <devtimhansen@gmail.com>
Date: Sat, 7 Oct 2017 23:15:23 -0400
Subject: arch/x86: remove redundant null checks before kmem_cache_destroy
Patch-mainline: v4.15-rc1
Git-commit: c1bd743e54cd653bd5e7082255dc236cfd40dbf0
References: bsc#1077761

Remove redundant null checks before calling kmem_cache_destroy.

Found with make coccicheck M=arch/x86/kvm on linux-next tag
next-20170929.

Signed-off-by: Tim Hansen <devtimhansen@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Alexander Graf <agraf@suse.de>
---
 arch/x86/kvm/mmu.c |    6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -5463,10 +5463,8 @@
 
 static void mmu_destroy_caches(void)
 {
-	if (pte_list_desc_cache)
-		kmem_cache_destroy(pte_list_desc_cache);
-	if (mmu_page_header_cache)
-		kmem_cache_destroy(mmu_page_header_cache);
+	kmem_cache_destroy(pte_list_desc_cache);
+	kmem_cache_destroy(mmu_page_header_cache);
 }
 
 int kvm_mmu_module_init(void)