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Commit 5aa02366 authored by Hou Wenlong's avatar Hou Wenlong Committed by Paolo Bonzini
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KVM: x86: Reduce refcount if single_open() fails in kvm_mmu_rmaps_stat_open()



Refcount is increased before calling single_open() in
kvm_mmu_rmaps_stat_open(), If single_open() fails, refcount should be
restored, otherwise the vm couldn't be destroyed.

Fixes: 3bcd0662 ("KVM: X86: Introduce mmu_rmaps_stat per-vm debugfs file")
Signed-off-by: default avatarHou Wenlong <houwenlong.hwl@antgroup.com>
Message-Id: <a75900413bb8b1e556be690e9588a0f92e946a30.1665733883.git.houwenlong.hwl@antgroup.com>
[Preserved return value of single_open. - Paolo]
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 86c4f0d5
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