Commit e032e3b5 authored Jan 22, 2020 by Bharata B Rao Committed by Paul Mackerras Jan 29, 2020

KVM: PPC: Book3S HV: Release lock on page-out failure path



When migrate_vma_setup() fails in kvmppc_svm_page_out(),
release kvm->arch.uvmem_lock before returning.

Fixes: ca9f4942 ("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>

parent 3a43970d

arch/powerpc/kvm/book3s_hv_uvmem.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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))

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