diff options
| -rw-r--r-- | drivers/char/isicom.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/char/isicom.c b/drivers/char/isicom.c index 42171ad001d..eddb8d3a620 100644 --- a/drivers/char/isicom.c +++ b/drivers/char/isicom.c @@ -540,6 +540,11 @@ static irqreturn_t isicom_interrupt(int irq, void *dev_id) return IRQ_NONE; base = card->base; + + /* did the card interrupt us? */ + if (!(inw(base + 0x0e) & 0x02)) + return IRQ_NONE; + spin_lock(&card->card_lock); /* |