KVM: do not release the error page
After commit a2766325cf9f9, the error page is replaced by the
error code, it need not be released anymore
[ The patch has been compiling tested for powerpc ]
Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/virt/kvm/async_pf.c b/virt/kvm/async_pf.c
index 56f5533..ea475cd 100644
--- a/virt/kvm/async_pf.c
+++ b/virt/kvm/async_pf.c
@@ -111,7 +111,7 @@
list_entry(vcpu->async_pf.done.next,
typeof(*work), link);
list_del(&work->link);
- if (work->page)
+ if (!is_error_page(work->page))
kvm_release_page_clean(work->page);
kmem_cache_free(async_pf_cache, work);
}
@@ -138,7 +138,7 @@
list_del(&work->queue);
vcpu->async_pf.queued--;
- if (work->page)
+ if (!is_error_page(work->page))
kvm_release_page_clean(work->page);
kmem_cache_free(async_pf_cache, work);
}