From: Qiujun Huang <hqjagain@gmail.com>
To: paulus@ozlabs.org, benh@kernel.crashing.org, mpe@ellerman.id.au
Cc: Qiujun Huang <hqjagain@gmail.com>,
linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,
kvm-ppc@vger.kernel.org
Subject: [PATCH] KVM: PPC: Book3S HV: Remove NULL check before kfree
Date: Sun, 5 Apr 2020 17:10:38 +0800 [thread overview]
Message-ID: <20200405091038.29822-1-hqjagain@gmail.com> (raw)
NULL check before kfree is unnecessary, so remove it.
This issue was detected by using the Coccinelle software.
Signed-off-by: Qiujun Huang <hqjagain@gmail.com>
---
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
next reply other threads:[~2020-04-05 9:12 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-05 9:10 Qiujun Huang [this message]
-- strict thread matches above, loose matches on Subject: below --
2020-04-05 20:50 [PATCH] KVM: PPC: Book3S HV: Remove NULL check before kfree Markus Elfring
2020-04-06 1:14 ` Qiujun Huang
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