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| author | Hou Wenlong <houwenlong.hwl@antgroup.com> | 2022-10-14 15:55:11 +0800 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2022-10-27 04:41:54 -0400 |
| commit | 5aa02366773376a1fd3a5c6a815e5f6e026ab391 (patch) | |
| tree | 31bdbb0d36548f7fe84e6062f27c0e7de0f09a88 /virt | |
| parent | 86c4f0d547f6460d0426ebb3ba0614f1134b8cda (diff) | |
| download | lwn-5aa02366773376a1fd3a5c6a815e5f6e026ab391.tar.gz lwn-5aa02366773376a1fd3a5c6a815e5f6e026ab391.zip | |
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: 3bcd0662d66fd ("KVM: X86: Introduce mmu_rmaps_stat per-vm debugfs file")
Signed-off-by: Hou Wenlong <houwenlong.hwl@antgroup.com>
Message-Id: <a75900413bb8b1e556be690e9588a0f92e946a30.1665733883.git.houwenlong.hwl@antgroup.com>
[Preserved return value of single_open. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'virt')
0 files changed, 0 insertions, 0 deletions