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-rw-r--r--drivers/vfio/vfio.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/vfio/vfio.c b/drivers/vfio/vfio.c
index 6d18c3c..842f450 100644
--- a/drivers/vfio/vfio.c
+++ b/drivers/vfio/vfio.c
@@ -510,13 +510,11 @@ static int vfio_iommu_group_notifier(struct notifier_block *nb,
struct device *dev = data;
/*
- * Need to go through a group_lock lookup to get a reference or
- * we risk racing a group being removed. Leave a WARN_ON for
- * debuging, but if the group no longer exists, a spurious notify
- * is harmless.
+ * Need to go through a group_lock lookup to get a reference or we
+ * risk racing a group being removed. Ignore spurious notifies.
*/
group = vfio_group_try_get(group);
- if (WARN_ON(!group))
+ if (!group)
return NOTIFY_OK;
switch (action) {
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