Should not call eventfd_ctx_put() in case of error.
Fixes: 2fd6df2f2b47 ("KVM: x86/xen: intercept EVTCHNOP_send from guests")
Reported-by: [email protected]
Signed-off-by: Eiichi Tsukata <[email protected]>
---
arch/x86/kvm/xen.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kvm/xen.c b/arch/x86/kvm/xen.c
index 93c628d3e3a9..a357994982c6 100644
--- a/arch/x86/kvm/xen.c
+++ b/arch/x86/kvm/xen.c
@@ -1716,7 +1716,7 @@ static int kvm_xen_eventfd_assign(struct kvm *kvm,
if (ret == -ENOSPC)
ret = -EEXIST;
out:
- if (eventfd)
+ if (eventfd && !IS_ERR(eventfd))
eventfd_ctx_put(eventfd);
kfree(evtchnfd);
return ret;
--
2.37.3