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kvm: kvm_destroy_vm_debugfs(): check debugfs_stat_data pointer

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This make it possible to call kvm_destroy_vm_debugfs() from
kvm_create_vm_debugfs() in error conditions.

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Luiz Capitulino 2016-09-07 14:47:21 -04:00 committed by Paolo Bonzini
parent 3e3f50262e
commit 9d5a1dcebf
1 changed files with 5 additions and 3 deletions
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8
virt/kvm/kvm_main.c
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@ -559,9 +559,11 @@ static void kvm_destroy_vm_debugfs(struct kvm *kvm)
debugfs_remove_recursive(kvm->debugfs_dentry);
for (i = 0; i < kvm_debugfs_num_entries; i++)
kfree(kvm->debugfs_stat_data[i]);
kfree(kvm->debugfs_stat_data);
if (kvm->debugfs_stat_data) {
for (i = 0; i < kvm_debugfs_num_entries; i++)
kfree(kvm->debugfs_stat_data[i]);
kfree(kvm->debugfs_stat_data);
}
}
static int kvm_create_vm_debugfs(struct kvm *kvm, int fd)