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Diffstat (limited to 'drivers/firewire/fw-ohci.c')
| -rw-r--r-- | drivers/firewire/fw-ohci.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/firewire/fw-ohci.c b/drivers/firewire/fw-ohci.c index 1f6f15f0dce2..0c4a07f11a59 100644 --- a/drivers/firewire/fw-ohci.c +++ b/drivers/firewire/fw-ohci.c @@ -1031,6 +1031,10 @@ static void bus_reset_tasklet(unsigned long data) * bit extra to get the actual number of self IDs. */ self_id_count = (reg >> 3) & 0x3ff; + if (self_id_count == 0) { + fw_notify("inconsistent self IDs\n"); + return; + } generation = (cond_le32_to_cpu(ohci->self_id_cpu[0]) >> 16) & 0xff; rmb(); |