diff options
Diffstat (limited to 'drivers/net/ethernet/realtek/8139cp.c')
| -rw-r--r-- | drivers/net/ethernet/realtek/8139cp.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/ethernet/realtek/8139cp.c b/drivers/net/ethernet/realtek/8139cp.c index deae10d7426d..9b588251f2a7 100644 --- a/drivers/net/ethernet/realtek/8139cp.c +++ b/drivers/net/ethernet/realtek/8139cp.c @@ -578,6 +578,7 @@ 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; @@ -585,6 +586,10 @@ 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; |