diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-08-20 12:39:18 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-08-20 12:39:18 +0200 |
| commit | 170465ee7f5a9a2d0ac71285507e52642e040353 (patch) | |
| tree | dbca81f04cde9e625170abbd6a72555cfbeb194e /drivers/usb/serial/usb-serial.c | |
| parent | 169ad16bb87c10a3f7c108bb7008ebc0270f617a (diff) | |
| parent | 1fca25427482387689fa27594c992a961d98768f (diff) | |
Merge branch 'linus' into x86/xen
Diffstat (limited to 'drivers/usb/serial/usb-serial.c')
| -rw-r--r-- | drivers/usb/serial/usb-serial.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 8c2d531eede..b157c48e8b7 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -122,9 +122,6 @@ static void return_serial(struct usb_serial *serial) dbg("%s", __func__); - if (serial == NULL) - return; - for (i = 0; i < serial->num_ports; ++i) serial_table[serial->minor + i] = NULL; } @@ -142,7 +139,8 @@ static void destroy_serial(struct kref *kref) serial->type->shutdown(serial); /* return the minor range that this device had */ - return_serial(serial); + if (serial->minor != SERIAL_TTY_NO_MINOR) + return_serial(serial); for (i = 0; i < serial->num_ports; ++i) serial->port[i]->port.count = 0; @@ -575,6 +573,7 @@ static struct usb_serial *create_serial(struct usb_device *dev, serial->interface = interface; kref_init(&serial->kref); mutex_init(&serial->disc_mutex); + serial->minor = SERIAL_TTY_NO_MINOR; return serial; } |