diff options
| -rw-r--r-- | drivers/firewire/core-device.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/firewire/core-device.c b/drivers/firewire/core-device.c index 3873d535b28..af3e8aa5eed 100644 --- a/drivers/firewire/core-device.c +++ b/drivers/firewire/core-device.c @@ -1020,6 +1020,10 @@ static void fw_device_init(struct work_struct *work) ret = idr_pre_get(&fw_device_idr, GFP_KERNEL) ? idr_get_new(&fw_device_idr, device, &minor) : -ENOMEM; + if (minor >= 1 << MINORBITS) { + idr_remove(&fw_device_idr, minor); + minor = -ENOSPC; + } up_write(&fw_device_rwsem); if (ret < 0) |