From: Bharata B Rao <bharata@linux.ibm.com>
To: linuxppc-dev@lists.ozlabs.org, kvm-ppc@vger.kernel.org
Cc: paulus@au1.ibm.com, Bharata B Rao <bharata@linux.ibm.com>
Subject: [PATCH FIX] KVM: PPC: Book3S HV: Release lock on page-out failure path
Date: Wed, 22 Jan 2020 10:25:42 +0530 [thread overview]
Message-ID: <20200122045542.3527-1-bharata@linux.ibm.com> (raw)
When migrate_vma_setup() fails in kvmppc_svm_page_out(),
release kvm->arch.uvmem_lock before returning.
Fixes: ca9f4942670 ("KVM: PPC: Book3S HV: Support for running secure guests")
Signed-off-by: Bharata B Rao <bharata@linux.ibm.com>
---
Applies on paulus/kvm-ppc-next branch
arch/powerpc/kvm/book3s_hv_uvmem.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/kvm/book3s_hv_uvmem.c b/arch/powerpc/kvm/book3s_hv_uvmem.c
index 4d1f25a3959a..79b1202b1c62 100644
--- a/arch/powerpc/kvm/book3s_hv_uvmem.c
+++ b/arch/powerpc/kvm/book3s_hv_uvmem.c
@@ -571,7 +571,7 @@ kvmppc_svm_page_out(struct vm_area_struct *vma, unsigned long start,
ret = migrate_vma_setup(&mig);
if (ret)
- return ret;
+ goto out;
spage = migrate_pfn_to_page(*mig.src);
if (!spage || !(*mig.src & MIGRATE_PFN_MIGRATE))
--
2.21.0
next reply other threads:[~2020-01-22 4:57 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-22 4:55 Bharata B Rao [this message]
2020-01-22 6:54 ` [PATCH FIX] KVM: PPC: Book3S HV: Release lock on page-out failure path Kamalesh Babulal
2020-01-30 0:55 ` Paul Mackerras
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