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-rw-r--r--drivers/xen/events/events_fifo.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/xen/events/events_fifo.c b/drivers/xen/events/events_fifo.c
index 243e7b6d7b96..b234f1766810 100644
--- a/drivers/xen/events/events_fifo.c
+++ b/drivers/xen/events/events_fifo.c
@@ -237,6 +237,9 @@ static bool clear_masked_cond(volatile event_word_t *word)
w = *word;
do {
+ if (!(w & (1 << EVTCHN_FIFO_MASKED)))
+ return true;
+
if (w & (1 << EVTCHN_FIFO_PENDING))
return false;