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path: root/drivers/net/ethernet/realtek/8139cp.c
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Diffstat (limited to 'drivers/net/ethernet/realtek/8139cp.c')
-rw-r--r--drivers/net/ethernet/realtek/8139cp.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/ethernet/realtek/8139cp.c b/drivers/net/ethernet/realtek/8139cp.c
index 81045dfa1cd8..44f6e4873aad 100644
--- a/drivers/net/ethernet/realtek/8139cp.c
+++ b/drivers/net/ethernet/realtek/8139cp.c
@@ -571,6 +571,7 @@ static irqreturn_t cp_interrupt (int irq, void *dev_instance)
struct cp_private *cp;
int handled = 0;
u16 status;
+ u16 mask;
if (unlikely(dev == NULL))
return IRQ_NONE;
@@ -578,6 +579,10 @@ static irqreturn_t cp_interrupt (int irq, void *dev_instance)
spin_lock(&cp->lock);
+ mask = cpr16(IntrMask);
+ if (!mask)
+ goto out_unlock;
+
status = cpr16(IntrStatus);
if (!status || (status == 0xFFFF))
goto out_unlock;