[PATCH] KVM: PPC: Book3S HV: Remove NULL check before kfree

From: Qiujun Huang
Date: Sun Apr 05 2020 - 05:14:56 EST


NULL check before kfree is unnecessary, so remove it.

This issue was detected by using the Coccinelle software.

Signed-off-by: Qiujun Huang <hqjagain@xxxxxxxxx>
---
arch/powerpc/kvm/book3s_hv_nested.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/powerpc/kvm/book3s_hv_nested.c b/arch/powerpc/kvm/book3s_hv_nested.c
index dc97e5be76f6..cad324312040 100644
--- a/arch/powerpc/kvm/book3s_hv_nested.c
+++ b/arch/powerpc/kvm/book3s_hv_nested.c
@@ -1416,8 +1416,7 @@ static long int __kvmhv_nested_page_fault(struct kvm_run *run,
rmapp = &memslot->arch.rmap[gfn - memslot->base_gfn];
ret = kvmppc_create_pte(kvm, gp->shadow_pgtable, pte, n_gpa, level,
mmu_seq, gp->shadow_lpid, rmapp, &n_rmap);
- if (n_rmap)
- kfree(n_rmap);
+ kfree(n_rmap);
if (ret == -EAGAIN)
ret = RESUME_GUEST; /* Let the guest try again */

--
2.17.1