diff options
Diffstat (limited to 'drivers/char/cyclades.c')
| -rw-r--r-- | drivers/char/cyclades.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c index 353e888295d1..9d22d58f4298 100644 --- a/drivers/char/cyclades.c +++ b/drivers/char/cyclades.c | |||
| @@ -1444,6 +1444,10 @@ static irqreturn_t cyy_interrupt(int irq, void *dev_id) | |||
| 1444 | card_base_addr = cinfo->base_addr; | 1444 | card_base_addr = cinfo->base_addr; |
| 1445 | index = cinfo->bus_index; | 1445 | index = cinfo->bus_index; |
| 1446 | 1446 | ||
| 1447 | /* card was not initialized yet (e.g. DEBUG_SHIRQ) */ | ||
| 1448 | if (unlikely(card_base_addr == NULL)) | ||
| 1449 | return IRQ_HANDLED; | ||
| 1450 | |||
| 1447 | /* This loop checks all chips in the card. Make a note whenever | 1451 | /* This loop checks all chips in the card. Make a note whenever |
| 1448 | _any_ chip had some work to do, as this is considered an | 1452 | _any_ chip had some work to do, as this is considered an |
| 1449 | indication that there will be more to do. Only when no chip | 1453 | indication that there will be more to do. Only when no chip |