Confusion around -EBUSY and zero (inside a BUG_ON no less).
Reported-by: AndreA Arcangeli <[email protected]>
Signed-off-by: Andres Lagar-Cavilla <[email protected]>
---
virt/kvm/kvm_main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 3f16f56..a1cf53e 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -1146,7 +1146,7 @@ int kvm_get_user_page_io(struct task_struct *tsk, struct
mm_struct *mm,
npages = __get_user_pages(tsk, mm, addr, 1, flags, pagep, NULL,
&locked);
if (!locked) {
- VM_BUG_ON(npages != -EBUSY);
+ VM_BUG_ON(npages);
if (!pagep)
return 0;
--
2.1.0.rc2.206.gedb03e5
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