From: "Edgar E. Iglesias" <[email protected]>

Avoid use of uninitialized bufioreq_evtchn. It should only
be used if buffered IOREQs are enabled.

Resolves: Coverity CID 1563383
Reported-by: Peter Maydell <[email protected]>
Acked-by: Stefano Stabellini <[email protected]>
Signed-off-by: Edgar E. Iglesias <[email protected]>
---
 hw/xen/xen-hvm-common.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/hw/xen/xen-hvm-common.c b/hw/xen/xen-hvm-common.c
index 7d2b72853b..7ffbbfea23 100644
--- a/hw/xen/xen-hvm-common.c
+++ b/hw/xen/xen-hvm-common.c
@@ -752,9 +752,10 @@ static int xen_map_ioreq_server(XenIOState *state)
         return -1;
     }
 
-    trace_xen_map_ioreq_server_buffered_io_evtchn(bufioreq_evtchn);
-
-    state->bufioreq_remote_port = bufioreq_evtchn;
+    if (state->has_bufioreq) {
+        trace_xen_map_ioreq_server_buffered_io_evtchn(bufioreq_evtchn);
+        state->bufioreq_remote_port = bufioreq_evtchn;
+    }
 
     return 0;
 }
-- 
2.43.0


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