diff options
| -rw-r--r-- | drivers/firewire/core-device.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/firewire/core-device.c b/drivers/firewire/core-device.c index e02bf2dff845..01cb6a327e29 100644 --- a/drivers/firewire/core-device.c +++ b/drivers/firewire/core-device.c @@ -588,15 +588,19 @@ static int read_bus_info_block(struct fw_device *device, int generation) if (read_rom(device, generation, i, &rom[i]) != RCODE_COMPLETE) goto out; end = i + (rom[i] >> 16) + 1; - i++; - if (end > READ_BIB_ROM_SIZE) + if (end > READ_BIB_ROM_SIZE) { /* - * This block extends outside standard config - * area (and the array we're reading it - * into). That's broken, so ignore this - * device. + * This block extends outside the config ROM which is + * a firmware bug. Ignore this whole block, i.e. + * simply set a fake block length of 0. */ - goto out; + fw_error("skipped invalid ROM block %x at %llx\n", + rom[i], + i * 4 | CSR_REGISTER_BASE | CSR_CONFIG_ROM); + rom[i] = 0; + end = i; + } + i++; /* * Now read in the block. If this is a directory |