From: Bharata B Rao bharata@linux.ibm.com
[ Upstream commit e032e3b55b6f487e48c163c5dca74086f147a169 ]
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 Reviewed-by: Kamalesh Babulal kamalesh@linux.vnet.ibm.com Signed-off-by: Paul Mackerras paulus@ozlabs.org Signed-off-by: Sasha Levin sashal@kernel.org --- 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 2de264fc31563..5914fbfa5e0a7 100644 --- a/arch/powerpc/kvm/book3s_hv_uvmem.c +++ b/arch/powerpc/kvm/book3s_hv_uvmem.c @@ -543,7 +543,7 @@ 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))