1 files changed, 1 insertions, 5 deletions

diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c
index 7e6512b9dc1f..be9149f62eb8 100644
--- a/kernel/irq/msi.c
+++ b/kernel/irq/msi.c
@@ -228,11 +228,7 @@ static void msi_domain_update_chip_ops(struct msi_domain_info *info)
 {
         struct irq_chip *chip = info->chip;
 
-        BUG_ON(!chip);
-        if (!chip->irq_mask)
-                chip->irq_mask = pci_msi_mask_irq;
-        if (!chip->irq_unmask)
-                chip->irq_unmask = pci_msi_unmask_irq;
+        BUG_ON(!chip || !chip->irq_mask || !chip->irq_unmask);
         if (!chip->irq_set_affinity)
                 chip->irq_set_affinity = msi_domain_set_affinity;
 }