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authorLinus Torvalds <torvalds@linux-foundation.org>2009-03-18 09:03:18 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-03-18 09:03:18 -0700
commit99dbe10968b495c14badbd50aee59a7f0459c8e6 (patch)
treeb37118ad1368cdc0f7f92a6f31aac1eb72f20cad
parentbd27e6d3d27ce1485a64a4851c4dcf58e663b132 (diff)
parent8a0845c51b2e300f5204a323b874f7f58ea0eff7 (diff)
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: USB: storage: Unusual USB device Prolific 2507 variation added USB: Add device id for Option GTM380 to option driver USB: Add Vendor/Product ID for new CDMA U727 to option driver USB: Updated unusual-devs entry for USB mass storage on Nokia 6233 USB: Option: let cdc-acm handle Sony Ericsson F3507g / Dell 5530 USB: EHCI: expedite unlinks when the root hub is suspended USB: EHCI: Fix isochronous URB leak USB: option.c: add ZTE 622 modem device USB: wusbcore/wa-xfer, fix lock imbalance USB: misc/vstusb, fix lock imbalance USB: misc/adutux, fix lock imbalance USB: image/mdc800, fix lock imbalance USB: atm/cxacru, fix lock imbalance USB: unusual_devs: Add support for GI 0431 SD-Card interface USB: serial: new cp2101 device id USB: serial: ftdi: enable UART detection on gnICE JTAG adaptors blacklist interface0 USB: serial: add FTDI USB/Serial converter devices USB: usbfs: keep async URBs until the device file is closed USB: usbtmc: add protocol 1 support USB: usbtmc: fix stupid bug in open()
-rw-r--r--drivers/usb/atm/cxacru.c3
-rw-r--r--drivers/usb/class/usbtmc.c4
-rw-r--r--drivers/usb/core/devio.c12
-rw-r--r--drivers/usb/host/ehci-q.c3
-rw-r--r--drivers/usb/host/ehci-sched.c10
-rw-r--r--drivers/usb/image/mdc800.c1
-rw-r--r--drivers/usb/misc/adutux.c6
-rw-r--r--drivers/usb/misc/vstusb.c1
-rw-r--r--drivers/usb/serial/cp2101.c1
-rw-r--r--drivers/usb/serial/ftdi_sio.c5
-rw-r--r--drivers/usb/serial/ftdi_sio.h20
-rw-r--r--drivers/usb/serial/option.c14
-rw-r--r--drivers/usb/storage/unusual_devs.h16
-rw-r--r--drivers/usb/wusbcore/wa-xfer.c4
14 files changed, 72 insertions, 28 deletions
diff --git a/drivers/usb/atm/cxacru.c b/drivers/usb/atm/cxacru.c
index 5ed4ae07bac..6789089e246 100644
--- a/drivers/usb/atm/cxacru.c
+++ b/drivers/usb/atm/cxacru.c
@@ -485,7 +485,7 @@ static int cxacru_cm(struct cxacru_data *instance, enum cxacru_cm_request cm,
usb_err(instance->usbatm, "requested transfer size too large (%d, %d)\n",
wbuflen, rbuflen);
ret = -ENOMEM;
- goto fail;
+ goto err;
}
mutex_lock(&instance->cm_serialize);
@@ -565,6 +565,7 @@ static int cxacru_cm(struct cxacru_data *instance, enum cxacru_cm_request cm,
dbg("cm %#x", cm);
fail:
mutex_unlock(&instance->cm_serialize);
+err:
return ret;
}
diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c
index 0f5c05f6f9d..c40a9b284cc 100644
--- a/drivers/usb/class/usbtmc.c
+++ b/drivers/usb/class/usbtmc.c
@@ -50,6 +50,7 @@
static struct usb_device_id usbtmc_devices[] = {
{ USB_INTERFACE_INFO(USB_CLASS_APP_SPEC, 3, 0), },
+ { USB_INTERFACE_INFO(USB_CLASS_APP_SPEC, 3, 1), },
{ 0, } /* terminating entry */
};
MODULE_DEVICE_TABLE(usb, usbtmc_devices);
@@ -106,12 +107,13 @@ static int usbtmc_open(struct inode *inode, struct file *filp)
{
struct usb_interface *intf;
struct usbtmc_device_data *data;
- int retval = -ENODEV;
+ int retval = 0;
intf = usb_find_interface(&usbtmc_driver, iminor(inode));
if (!intf) {
printk(KERN_ERR KBUILD_MODNAME
": can not find device for minor %d", iminor(inode));
+ retval = -ENODEV;
goto exit;
}
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 7513bb083c1..6585f527e38 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -359,11 +359,6 @@ static void destroy_async(struct dev_state *ps, struct list_head *list)
spin_lock_irqsave(&ps->lock, flags);
}
spin_unlock_irqrestore(&ps->lock, flags);
- as = async_getcompleted(ps);
- while (as) {
- free_async(as);
- as = async_getcompleted(ps);
- }
}
static void destroy_async_on_interface(struct dev_state *ps,
@@ -643,6 +638,7 @@ static int usbdev_release(struct inode *inode, struct file *file)
struct dev_state *ps = file->private_data;
struct usb_device *dev = ps->dev;
unsigned int ifnum;
+ struct async *as;
usb_lock_device(dev);
@@ -661,6 +657,12 @@ static int usbdev_release(struct inode *inode, struct file *file)
usb_unlock_device(dev);
usb_put_dev(dev);
put_pid(ps->disc_pid);
+
+ as = async_getcompleted(ps);
+ while (as) {
+ free_async(as);
+ as = async_getcompleted(ps);
+ }
kfree(ps);
return 0;
}
diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c
index 3712b925b31..ecc9b66c03c 100644
--- a/drivers/usb/host/ehci-q.c
+++ b/drivers/usb/host/ehci-q.c
@@ -1095,7 +1095,8 @@ static void start_unlink_async (struct ehci_hcd *ehci, struct ehci_qh *qh)
prev->qh_next = qh->qh_next;
wmb ();
- if (unlikely (ehci_to_hcd(ehci)->state == HC_STATE_HALT)) {
+ /* If the controller isn't running, we don't have to wait for it */
+ if (unlikely(!HC_IS_RUNNING(ehci_to_hcd(ehci)->state))) {
/* if (unlikely (qh->reclaim != 0))
* this will recurse, probably not much
*/
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
index 07bcb931021..1d0b49e3f19 100644
--- a/drivers/usb/host/ehci-sched.c
+++ b/drivers/usb/host/ehci-sched.c
@@ -1536,7 +1536,7 @@ itd_link_urb (
struct ehci_itd, itd_list);
list_move_tail (&itd->itd_list, &stream->td_list);
itd->stream = iso_stream_get (stream);
- itd->urb = usb_get_urb (urb);
+ itd->urb = urb;
itd_init (ehci, stream, itd);
}
@@ -1645,7 +1645,7 @@ itd_complete (
(void) disable_periodic(ehci);
ehci_to_hcd(ehci)->self.bandwidth_isoc_reqs--;
- if (unlikely (list_empty (&stream->td_list))) {
+ if (unlikely(list_is_singular(&stream->td_list))) {
ehci_to_hcd(ehci)->self.bandwidth_allocated
-= stream->bandwidth;
ehci_vdbg (ehci,
@@ -1656,7 +1656,6 @@ itd_complete (
iso_stream_put (ehci, stream);
done:
- usb_put_urb(urb);
itd->urb = NULL;
if (ehci->clock_frame != itd->frame || itd->index[7] != -1) {
/* OK to recycle this ITD now. */
@@ -1949,7 +1948,7 @@ sitd_link_urb (
struct ehci_sitd, sitd_list);
list_move_tail (&sitd->sitd_list, &stream->td_list);
sitd->stream = iso_stream_get (stream);
- sitd->urb = usb_get_urb (urb);
+ sitd->urb = urb;
sitd_patch(ehci, stream, sitd, sched, packet);
sitd_link (ehci, (next_uframe >> 3) % ehci->periodic_size,
@@ -2034,7 +2033,7 @@ sitd_complete (
(void) disable_periodic(ehci);
ehci_to_hcd(ehci)->self.bandwidth_isoc_reqs--;
- if (list_empty (&stream->td_list)) {
+ if (list_is_singular(&stream->td_list)) {
ehci_to_hcd(ehci)->self.bandwidth_allocated
-= stream->bandwidth;
ehci_vdbg (ehci,
@@ -2045,7 +2044,6 @@ sitd_complete (
iso_stream_put (ehci, stream);
/* OK to recycle this SITD now that its completion callback ran. */
done:
- usb_put_urb(urb);
sitd->urb = NULL;
sitd->stream = NULL;
list_move(&sitd->sitd_list, &stream->free_list);
diff --git a/drivers/usb/image/mdc800.c b/drivers/usb/image/mdc800.c
index 878c77ca086..972f20b3406 100644
--- a/drivers/usb/image/mdc800.c
+++ b/drivers/usb/image/mdc800.c
@@ -499,6 +499,7 @@ static int mdc800_usb_probe (struct usb_interface *intf,
retval = usb_register_dev(intf, &mdc800_class);
if (retval) {
dev_err(&intf->dev, "Not able to get a minor for this device.\n");
+ mutex_unlock(&mdc800->io_lock);
return -ENODEV;
}
diff --git a/drivers/usb/misc/adutux.c b/drivers/usb/misc/adutux.c
index 7b6922e08ed..20352654201 100644
--- a/drivers/usb/misc/adutux.c
+++ b/drivers/usb/misc/adutux.c
@@ -376,7 +376,7 @@ static int adu_release(struct inode *inode, struct file *file)
if (dev->open_count <= 0) {
dbg(1," %s : device not opened", __func__);
retval = -ENODEV;
- goto exit;
+ goto unlock;
}
adu_release_internal(dev);
@@ -385,9 +385,9 @@ static int adu_release(struct inode *inode, struct file *file)
if (!dev->open_count) /* ... and we're the last user */
adu_delete(dev);
}
-
-exit:
+unlock:
mutex_unlock(&adutux_mutex);
+exit:
dbg(2," %s : leave, return value %d", __func__, retval);
return retval;
}
diff --git a/drivers/usb/misc/vstusb.c b/drivers/usb/misc/vstusb.c
index 63dff9ba73c..f26ea8dc157 100644
--- a/drivers/usb/misc/vstusb.c
+++ b/drivers/usb/misc/vstusb.c
@@ -401,6 +401,7 @@ static ssize_t vstusb_write(struct file *file, const char __user *buffer,
}
if (copy_from_user(buf, buffer, count)) {
+ mutex_unlock(&vstdev->lock);
dev_err(&dev->dev, "%s: can't copy_from_user\n", __func__);
retval = -EFAULT;
goto exit;
diff --git a/drivers/usb/serial/cp2101.c b/drivers/usb/serial/cp2101.c
index 027f4b7dde8..9b4082b58c5 100644
--- a/drivers/usb/serial/cp2101.c
+++ b/drivers/usb/serial/cp2101.c
@@ -79,6 +79,7 @@ static struct usb_device_id id_table [] = {
{ USB_DEVICE(0x10C4, 0x814A) }, /* West Mountain Radio RIGblaster P&P */
{ USB_DEVICE(0x10C4, 0x814B) }, /* West Mountain Radio RIGtalk */
{ USB_DEVICE(0x10C4, 0x815E) }, /* Helicomm IP-Link 1220-DVM */
+ { USB_DEVICE(0x10C4, 0x819F) }, /* MJS USB Toslink Switcher */
{ USB_DEVICE(0x10C4, 0x81A6) }, /* ThinkOptics WavIt */
{ USB_DEVICE(0x10C4, 0x81AC) }, /* MSD Dash Hawk */
{ USB_DEVICE(0x10C4, 0x81C8) }, /* Lipowsky Industrie Elektronik GmbH, Baby-JTAG */
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index f92f4d77337..ae84c326a54 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -663,6 +663,11 @@ static struct usb_device_id id_table_combined [] = {
{ USB_DEVICE(ALTI2_VID, ALTI2_N3_PID) },
{ USB_DEVICE(FTDI_VID, DIEBOLD_BCS_SE923_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_NDI_HUC_PID) },
+ { USB_DEVICE(ATMEL_VID, STK541_PID) },
+ { USB_DEVICE(DE_VID, STB_PID) },
+ { USB_DEVICE(DE_VID, WHT_PID) },
+ { USB_DEVICE(ADI_VID, ADI_GNICE_PID),
+ .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
{ }, /* Optional parameter entry */
{ } /* Terminating entry */
};
diff --git a/drivers/usb/serial/ftdi_sio.h b/drivers/usb/serial/ftdi_sio.h
index e300c840f8c..daaf63db0b5 100644
--- a/drivers/usb/serial/ftdi_sio.h
+++ b/drivers/usb/serial/ftdi_sio.h
@@ -893,6 +893,26 @@
#define DIEBOLD_BCS_SE923_PID 0xfb99
/*
+ * Atmel STK541
+ */
+#define ATMEL_VID 0x03eb /* Vendor ID */
+#define STK541_PID 0x2109 /* Zigbee Controller */
+
+/*
+ * Dresden Elektronic Sensor Terminal Board
+ */
+#define DE_VID 0x1cf1 /* Vendor ID */
+#define STB_PID 0x0001 /* Sensor Terminal Board */
+#define WHT_PID 0x0004 /* Wireless Handheld Terminal */
+
+/*
+ * Blackfin gnICE JTAG
+ * http://docs.blackfin.uclinux.org/doku.php?id=hw:jtag:gnice
+ */
+#define ADI_VID 0x0456
+#define ADI_GNICE_PID 0xF000
+
+/*
* BmRequestType: 1100 0000b
* bRequest: FTDI_E2_READ
* wValue: 0
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index b7c132bded7..61ebddc4849 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -89,6 +89,7 @@ static int option_send_setup(struct tty_struct *tty, struct usb_serial_port *po
#define OPTION_PRODUCT_ETNA_MODEM_GT 0x7041
#define OPTION_PRODUCT_ETNA_MODEM_EX 0x7061
#define OPTION_PRODUCT_ETNA_KOI_MODEM 0x7100
+#define OPTION_PRODUCT_GTM380_MODEM 0x7201
#define HUAWEI_VENDOR_ID 0x12D1
#define HUAWEI_PRODUCT_E600 0x1001
@@ -197,6 +198,7 @@ static int option_send_setup(struct tty_struct *tty, struct usb_serial_port *po
/* OVATION PRODUCTS */
#define NOVATELWIRELESS_PRODUCT_MC727 0x4100
#define NOVATELWIRELESS_PRODUCT_MC950D 0x4400
+#define NOVATELWIRELESS_PRODUCT_U727 0x5010
/* FUTURE NOVATEL PRODUCTS */
#define NOVATELWIRELESS_PRODUCT_EVDO_FULLSPEED 0X6000
@@ -288,15 +290,11 @@ static int option_send_setup(struct tty_struct *tty, struct usb_serial_port *po
/* ZTE PRODUCTS */
#define ZTE_VENDOR_ID 0x19d2
+#define ZTE_PRODUCT_MF622 0x0001
#define ZTE_PRODUCT_MF628 0x0015
#define ZTE_PRODUCT_MF626 0x0031
#define ZTE_PRODUCT_CDMA_TECH 0xfffe
-/* Ericsson products */
-#define ERICSSON_VENDOR_ID 0x0bdb
-#define ERICSSON_PRODUCT_F3507G_1 0x1900
-#define ERICSSON_PRODUCT_F3507G_2 0x1902
-
#define BENQ_VENDOR_ID 0x04a5
#define BENQ_PRODUCT_H10 0x4068
@@ -325,6 +323,7 @@ static struct usb_device_id option_ids[] = {
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_GT) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_EX) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_KOI_MODEM) },
+ { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_GTM380_MODEM) },
{ USB_DEVICE(QUANTA_VENDOR_ID, QUANTA_PRODUCT_Q101) },
{ USB_DEVICE(QUANTA_VENDOR_ID, QUANTA_PRODUCT_Q111) },
{ USB_DEVICE(QUANTA_VENDOR_ID, QUANTA_PRODUCT_GLX) },
@@ -415,6 +414,7 @@ static struct usb_device_id option_ids[] = {
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EU870D) }, /* Novatel EU850D/EU860D/EU870D */
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC950D) }, /* Novatel MC930D/MC950D */
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC727) }, /* Novatel MC727/U727/USB727 */
+ { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U727) }, /* Novatel MC727/U727/USB727 */
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EVDO_FULLSPEED) }, /* Novatel EVDO product */
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_FULLSPEED) }, /* Novatel HSPA product */
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EVDO_EMBEDDED_FULLSPEED) }, /* Novatel EVDO Embedded product */
@@ -442,7 +442,6 @@ static struct usb_device_id option_ids[] = {
{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5520_MINICARD_CINGULAR) }, /* Dell Wireless HSDPA 5520 == Novatel Expedite EU860D */
{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5520_MINICARD_GENERIC_L) }, /* Dell Wireless HSDPA 5520 */
{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5520_MINICARD_GENERIC_I) }, /* Dell Wireless 5520 Voda I Mobile Broadband (3G HSDPA) Minicard */
- { USB_DEVICE(DELL_VENDOR_ID, 0x8147) }, /* Dell Wireless 5530 Mobile Broadband (3G HSPA) Mini-Card */
{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5730_MINICARD_SPRINT) }, /* Dell Wireless 5730 Mobile Broadband EVDO/HSPA Mini-Card */
{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5730_MINICARD_TELUS) }, /* Dell Wireless 5730 Mobile Broadband EVDO/HSPA Mini-Card */
{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5730_MINICARD_VZW) }, /* Dell Wireless 5730 Mobile Broadband EVDO/HSPA Mini-Card */
@@ -510,11 +509,10 @@ static struct usb_device_id option_ids[] = {
{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */
{ USB_DEVICE(MAXON_VENDOR_ID, 0x6280) }, /* BP3-USB & BP3-EXT HSDPA */
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UC864E) },
+ { USB_DEVICE(ZTE_VENDOR_ID, ZTE_PRODUCT_MF622) },
{ USB_DEVICE(ZTE_VENDOR_ID, ZTE_PRODUCT_MF626) },
{ USB_DEVICE(ZTE_VENDOR_ID, ZTE_PRODUCT_MF628) },
{ USB_DEVICE(ZTE_VENDOR_ID, ZTE_PRODUCT_CDMA_TECH) },
- { USB_DEVICE(ERICSSON_VENDOR_ID, ERICSSON_PRODUCT_F3507G_1) },
- { USB_DEVICE(ERICSSON_VENDOR_ID, ERICSSON_PRODUCT_F3507G_2) },
{ USB_DEVICE(BENQ_VENDOR_ID, BENQ_PRODUCT_H10) },
{ USB_DEVICE(0x1da5, 0x4515) }, /* BenQ H20 */
{ } /* Terminating entry */
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index 6f59c8e510e..cfde74a6faa 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -226,7 +226,7 @@ UNUSUAL_DEV( 0x0421, 0x047c, 0x0370, 0x0610,
US_FL_MAX_SECTORS_64 ),
/* Reported by Manuel Osdoba <manuel.osdoba@tu-ilmenau.de> */
-UNUSUAL_DEV( 0x0421, 0x0492, 0x0452, 0x0452,
+UNUSUAL_DEV( 0x0421, 0x0492, 0x0452, 0x9999,
"Nokia",
"Nokia 6233",
US_SC_DEVICE, US_PR_DEVICE, NULL,
@@ -951,7 +951,9 @@ UNUSUAL_DEV( 0x066f, 0x8000, 0x0001, 0x0001,
US_FL_FIX_CAPACITY ),
/* Reported by Richard -=[]=- <micro_flyer@hotmail.com> */
-UNUSUAL_DEV( 0x067b, 0x2507, 0x0100, 0x0100,
+/* Change to bcdDeviceMin (0x0100 to 0x0001) reported by
+ * Thomas Bartosik <tbartdev@gmx-topmail.de> */
+UNUSUAL_DEV( 0x067b, 0x2507, 0x0001, 0x0100,
"Prolific Technology Inc.",
"Mass Storage Device",
US_SC_DEVICE, US_PR_DEVICE, NULL,
@@ -1390,6 +1392,16 @@ UNUSUAL_DEV( 0x0af0, 0x7401, 0x0000, 0x0000,
US_SC_DEVICE, US_PR_DEVICE, NULL,
0 ),
+/* Reported by Jan Dumon <j.dumon@option.com>
+ * This device (wrongly) has a vendor-specific device descriptor.
+ * The entry is needed so usb-storage can bind to it's mass-storage
+ * interface as an interface driver */
+UNUSUAL_DEV( 0x0af0, 0x7501, 0x0000, 0x0000,
+ "Option",
+ "GI 0431 SD-Card",
+ US_SC_DEVICE, US_PR_DEVICE, NULL,
+ 0 ),
+
/* Reported by Ben Efros <ben@pc-doctor.com> */
UNUSUAL_DEV( 0x0bc2, 0x3010, 0x0000, 0x0000,
"Seagate",
diff --git a/drivers/usb/wusbcore/wa-xfer.c b/drivers/usb/wusbcore/wa-xfer.c
index 238a96aee3a..613a5fc490d 100644
--- a/drivers/usb/wusbcore/wa-xfer.c
+++ b/drivers/usb/wusbcore/wa-xfer.c
@@ -921,8 +921,10 @@ static void wa_urb_enqueue_b(struct wa_xfer *xfer)
result = -ENODEV;
/* FIXME: segmentation broken -- kills DWA */
mutex_lock(&wusbhc->mutex); /* get a WUSB dev */
- if (urb->dev == NULL)
+ if (urb->dev == NULL) {
+ mutex_unlock(&wusbhc->mutex);
goto error_dev_gone;
+ }
wusb_dev = __wusb_dev_get_by_usb_dev(wusbhc, urb->dev);
if (wusb_dev == NULL) {
mutex_unlock(&wusbhc->mutex);