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Subject[PATCH 31/39] KVM: MMU: drop null test before destroy functions
Date
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>

---
arch/x86/kvm/mmu.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 69088a1..fb0c1bd 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -4883,10 +4883,8 @@ static struct shrinker mmu_shrinker = {

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)


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