summaryrefslogtreecommitdiffstats
path: root/drivers/usb/serial/usb-serial.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2008-08-13 20:50:10 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-08-13 20:50:10 -0700
commitb635acec48bcaa9183fcbf4e3955616b0d4119b5 (patch)
tree55bf04579019674736355927743bbb4a8913d5d5 /drivers/usb/serial/usb-serial.c
parent9921b256bb7402143a5bf0b722582562b6485eb8 (diff)
parentca6d1b1333bc2e61e37982de1f28d8604c232414 (diff)
downloadkernel-crypto-b635acec48bcaa9183fcbf4e3955616b0d4119b5.tar.gz
kernel-crypto-b635acec48bcaa9183fcbf4e3955616b0d4119b5.tar.xz
kernel-crypto-b635acec48bcaa9183fcbf4e3955616b0d4119b5.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (47 commits) usb: musb: pass configuration specifics via pdata usb: musb: fix hanging when rmmod gadget driver USB: Add MUSB and TUSB support USB: serial: remove CONFIG_USB_DEBUG from sierra and option drivers USB: Add vendor/product id of ZTE MF628 to option USB: quirk PLL power down mode USB: omap_udc: fix compilation with debug enabled usb: cdc-acm: drain writes on close usb: cdc-acm: stop dropping tx buffers usb: cdc-acm: bugfix release() usb gadget: issue notifications from ACM function usb gadget: remove needless struct members USB: sh: r8a66597-hcd: fix disconnect regression USB: isp1301: fix compilation USB: fix compiler warning fix usb-storage: unusual_devs entry for Nokia 5300 USB: cdc-acm.c: Fix compile warnings USB: BandRich BandLuxe C150/C250 HSPA Data Card Driver USB: ftdi_sio: add support for PHI Fisco data cable (FT232BM based, VID/PID 0403:e40b) usb: isp1760: don't be noisy about short packets. ...
Diffstat (limited to 'drivers/usb/serial/usb-serial.c')
-rw-r--r--drivers/usb/serial/usb-serial.c7
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;
}