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-rw-r--r--drivers/iommu/iommufd/eventq.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/iommu/iommufd/eventq.c b/drivers/iommu/iommufd/eventq.c
index 4c43ace8c725..f39cf0797347 100644
--- a/drivers/iommu/iommufd/eventq.c
+++ b/drivers/iommu/iommufd/eventq.c
@@ -385,7 +385,8 @@ static ssize_t iommufd_veventq_fops_read(struct file *filep, char __user *buf,
break;
}
spin_lock(&eventq->lock);
- veventq->num_events--;
+ if (!vevent_for_lost_events_header(cur))
+ veventq->num_events--;
spin_unlock(&eventq->lock);
done += cur->data_len;
kfree(cur);