diff options
Diffstat (limited to 'drivers/usb/misc')
-rw-r--r-- | drivers/usb/misc/adutux.c | 59 | ||||
-rw-r--r-- | drivers/usb/misc/appledisplay.c | 13 | ||||
-rw-r--r-- | drivers/usb/misc/auerswald.c | 25 | ||||
-rw-r--r-- | drivers/usb/misc/ftdi-elan.c | 21 | ||||
-rw-r--r-- | drivers/usb/misc/iowarrior.c | 21 | ||||
-rw-r--r-- | drivers/usb/misc/ldusb.c | 20 | ||||
-rw-r--r-- | drivers/usb/misc/legousbtower.c | 28 | ||||
-rw-r--r-- | drivers/usb/misc/phidgetkit.c | 13 | ||||
-rw-r--r-- | drivers/usb/misc/phidgetmotorcontrol.c | 13 | ||||
-rw-r--r-- | drivers/usb/misc/usblcd.c | 11 | ||||
-rw-r--r-- | drivers/usb/misc/usbtest.c | 4 | ||||
-rw-r--r-- | drivers/usb/misc/uss720.c | 5 |
12 files changed, 128 insertions, 105 deletions
diff --git a/drivers/usb/misc/adutux.c b/drivers/usb/misc/adutux.c index d72c42e5f22..e9fdbc8997b 100644 --- a/drivers/usb/misc/adutux.c +++ b/drivers/usb/misc/adutux.c @@ -24,6 +24,7 @@ #include <linux/slab.h> #include <linux/module.h> #include <linux/usb.h> +#include <linux/mutex.h> #include <asm/uaccess.h> #ifdef CONFIG_USB_DEBUG @@ -80,7 +81,7 @@ MODULE_DEVICE_TABLE(usb, device_table); /* Structure to hold all of our device specific stuff */ struct adu_device { - struct semaphore sem; /* locks this structure */ + struct mutex mtx; /* locks this structure */ struct usb_device* udev; /* save off the usb device pointer */ struct usb_interface* interface; unsigned char minor; /* the starting minor number for this device */ @@ -178,17 +179,18 @@ static void adu_delete(struct adu_device *dev) static void adu_interrupt_in_callback(struct urb *urb) { struct adu_device *dev = urb->context; + int status = urb->status; - dbg(4," %s : enter, status %d", __FUNCTION__, urb->status); + dbg(4," %s : enter, status %d", __FUNCTION__, status); adu_debug_data(5, __FUNCTION__, urb->actual_length, urb->transfer_buffer); spin_lock(&dev->buflock); - if (urb->status != 0) { - if ((urb->status != -ENOENT) && (urb->status != -ECONNRESET)) { + if (status != 0) { + if ((status != -ENOENT) && (status != -ECONNRESET)) { dbg(1," %s : nonzero status received: %d", - __FUNCTION__, urb->status); + __FUNCTION__, status); } goto exit; } @@ -216,21 +218,22 @@ exit: wake_up_interruptible(&dev->read_wait); adu_debug_data(5, __FUNCTION__, urb->actual_length, urb->transfer_buffer); - dbg(4," %s : leave, status %d", __FUNCTION__, urb->status); + dbg(4," %s : leave, status %d", __FUNCTION__, status); } static void adu_interrupt_out_callback(struct urb *urb) { struct adu_device *dev = urb->context; + int status = urb->status; - dbg(4," %s : enter, status %d", __FUNCTION__, urb->status); + dbg(4," %s : enter, status %d", __FUNCTION__, status); adu_debug_data(5,__FUNCTION__, urb->actual_length, urb->transfer_buffer); - if (urb->status != 0) { - if ((urb->status != -ENOENT) && - (urb->status != -ECONNRESET)) { + if (status != 0) { + if ((status != -ENOENT) && + (status != -ECONNRESET)) { dbg(1, " %s :nonzero status received: %d", - __FUNCTION__, urb->status); + __FUNCTION__, status); } goto exit; } @@ -240,7 +243,7 @@ exit: adu_debug_data(5, __FUNCTION__, urb->actual_length, urb->transfer_buffer); - dbg(4," %s : leave, status %d", __FUNCTION__, urb->status); + dbg(4," %s : leave, status %d", __FUNCTION__, status); } static int adu_open(struct inode *inode, struct file *file) @@ -269,8 +272,8 @@ static int adu_open(struct inode *inode, struct file *file) } /* lock this device */ - if ((retval = down_interruptible(&dev->sem))) { - dbg(2, "%s : sem down failed", __FUNCTION__); + if ((retval = mutex_lock_interruptible(&dev->mtx))) { + dbg(2, "%s : mutex lock failed", __FUNCTION__); goto exit_no_device; } @@ -299,7 +302,7 @@ static int adu_open(struct inode *inode, struct file *file) if (retval) --dev->open_count; } - up(&dev->sem); + mutex_unlock(&dev->mtx); exit_no_device: dbg(2,"%s : leave, return value %d ", __FUNCTION__, retval); @@ -347,7 +350,7 @@ static int adu_release(struct inode *inode, struct file *file) } /* lock our device */ - down(&dev->sem); /* not interruptible */ + mutex_lock(&dev->mtx); /* not interruptible */ if (dev->open_count <= 0) { dbg(1," %s : device not opened", __FUNCTION__); @@ -357,7 +360,7 @@ static int adu_release(struct inode *inode, struct file *file) if (dev->udev == NULL) { /* the device was unplugged before the file was released */ - up(&dev->sem); + mutex_unlock(&dev->mtx); adu_delete(dev); dev = NULL; } else { @@ -367,7 +370,7 @@ static int adu_release(struct inode *inode, struct file *file) exit: if (dev) - up(&dev->sem); + mutex_unlock(&dev->mtx); dbg(2," %s : leave, return value %d", __FUNCTION__, retval); return retval; } @@ -390,7 +393,7 @@ static ssize_t adu_read(struct file *file, __user char *buffer, size_t count, dev = file->private_data; dbg(2," %s : dev=%p", __FUNCTION__, dev); /* lock this object */ - if (down_interruptible(&dev->sem)) + if (mutex_lock_interruptible(&dev->mtx)) return -ERESTARTSYS; /* verify that the device wasn't unplugged */ @@ -522,7 +525,7 @@ static ssize_t adu_read(struct file *file, __user char *buffer, size_t count, exit: /* unlock the device */ - up(&dev->sem); + mutex_unlock(&dev->mtx); dbg(2," %s : leave, return value %d", __FUNCTION__, retval); return retval; @@ -543,7 +546,7 @@ static ssize_t adu_write(struct file *file, const __user char *buffer, dev = file->private_data; /* lock this object */ - retval = down_interruptible(&dev->sem); + retval = mutex_lock_interruptible(&dev->mtx); if (retval) goto exit_nolock; @@ -571,9 +574,9 @@ static ssize_t adu_write(struct file *file, const __user char *buffer, retval = -EINTR; goto exit; } - up(&dev->sem); + mutex_unlock(&dev->mtx); timeout = interruptible_sleep_on_timeout(&dev->write_wait, timeout); - retval = down_interruptible(&dev->sem); + retval = mutex_lock_interruptible(&dev->mtx); if (retval) { retval = bytes_written ? bytes_written : retval; goto exit_nolock; @@ -638,7 +641,7 @@ static ssize_t adu_write(struct file *file, const __user char *buffer, exit: /* unlock the device */ - up(&dev->sem); + mutex_unlock(&dev->mtx); exit_nolock: dbg(2," %s : leave, return value %d", __FUNCTION__, retval); @@ -698,7 +701,7 @@ static int adu_probe(struct usb_interface *interface, goto exit; } - init_MUTEX(&dev->sem); + mutex_init(&dev->mtx); spin_lock_init(&dev->buflock); dev->udev = udev; init_waitqueue_head(&dev->read_wait); @@ -835,16 +838,16 @@ static void adu_disconnect(struct usb_interface *interface) usb_deregister_dev(interface, &adu_class); dev->minor = 0; - down(&dev->sem); /* not interruptible */ + mutex_lock(&dev->mtx); /* not interruptible */ /* if the device is not opened, then we clean up right now */ dbg(2," %s : open count %d", __FUNCTION__, dev->open_count); if (!dev->open_count) { - up(&dev->sem); + mutex_unlock(&dev->mtx); adu_delete(dev); } else { dev->udev = NULL; - up(&dev->sem); + mutex_unlock(&dev->mtx); } dev_info(&interface->dev, "ADU device adutux%d now disconnected", diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c index cf70c16f0e3..1cb56f2d5c8 100644 --- a/drivers/usb/misc/appledisplay.c +++ b/drivers/usb/misc/appledisplay.c @@ -88,9 +88,10 @@ static void appledisplay_complete(struct urb *urb) { struct appledisplay *pdata = urb->context; unsigned long flags; + int status = urb->status; int retval; - switch (urb->status) { + switch (status) { case 0: /* success */ break; @@ -102,12 +103,12 @@ static void appledisplay_complete(struct urb *urb) case -ENOENT: case -ESHUTDOWN: /* This urb is terminated, clean up */ - dbg("%s - urb shutting down with status: %d", - __FUNCTION__, urb->status); + dbg("%s - urb shuttingdown with status: %d", + __FUNCTION__, status); return; default: dbg("%s - nonzero urb status received: %d", - __FUNCTION__, urb->status); + __FUNCTION__, status); goto exit; } @@ -137,7 +138,7 @@ exit: static int appledisplay_bl_update_status(struct backlight_device *bd) { - struct appledisplay *pdata = class_get_devdata(&bd->class_dev); + struct appledisplay *pdata = bl_get_data(bd); int retval; pdata->msgdata[0] = 0x10; @@ -158,7 +159,7 @@ static int appledisplay_bl_update_status(struct backlight_device *bd) static int appledisplay_bl_get_brightness(struct backlight_device *bd) { - struct appledisplay *pdata = class_get_devdata(&bd->class_dev); + struct appledisplay *pdata = bl_get_data(bd); int retval; retval = usb_control_msg( diff --git a/drivers/usb/misc/auerswald.c b/drivers/usb/misc/auerswald.c index 42d4e6454a7..df7e1ecc810 100644 --- a/drivers/usb/misc/auerswald.c +++ b/drivers/usb/misc/auerswald.c @@ -862,14 +862,16 @@ static void auerswald_ctrlread_wretcomplete (struct urb * urb) pauerbuf_t bp = (pauerbuf_t) urb->context; pauerswald_t cp; int ret; + int status = urb->status; + dbg ("auerswald_ctrlread_wretcomplete called"); - dbg ("complete with status: %d", urb->status); + dbg ("complete with status: %d", status); cp = ((pauerswald_t)((char *)(bp->list)-(unsigned long)(&((pauerswald_t)0)->bufctl))); /* check if it is possible to advance */ - if (!auerswald_status_retry (urb->status) || !cp->usbdev) { + if (!auerswald_status_retry(status) || !cp->usbdev) { /* reuse the buffer */ - err ("control dummy: transmission error %d, can not retry", urb->status); + err ("control dummy: transmission error %d, can not retry", status); auerbuf_releasebuf (bp); /* Wake up all processes waiting for a buffer */ wake_up (&cp->bufferwait); @@ -902,21 +904,23 @@ static void auerswald_ctrlread_complete (struct urb * urb) pauerswald_t cp; pauerscon_t scp; pauerbuf_t bp = (pauerbuf_t) urb->context; + int status = urb->status; int ret; + dbg ("auerswald_ctrlread_complete called"); cp = ((pauerswald_t)((char *)(bp->list)-(unsigned long)(&((pauerswald_t)0)->bufctl))); /* check if there is valid data in this urb */ - if (urb->status) { - dbg ("complete with non-zero status: %d", urb->status); + if (status) { + dbg ("complete with non-zero status: %d", status); /* should we do a retry? */ - if (!auerswald_status_retry (urb->status) + if (!auerswald_status_retry(status) || !cp->usbdev || (cp->version < AUV_RETRY) || (bp->retries >= AU_RETRIES)) { /* reuse the buffer */ - err ("control read: transmission error %d, can not retry", urb->status); + err ("control read: transmission error %d, can not retry", status); auerbuf_releasebuf (bp); /* Wake up all processes waiting for a buffer */ wake_up (&cp->bufferwait); @@ -974,12 +978,13 @@ static void auerswald_int_complete (struct urb * urb) unsigned int channelid; unsigned int bytecount; int ret; + int status = urb->status; pauerbuf_t bp = NULL; pauerswald_t cp = (pauerswald_t) urb->context; dbg ("%s called", __FUNCTION__); - switch (urb->status) { + switch (status) { case 0: /* success */ break; @@ -987,10 +992,10 @@ static void auerswald_int_complete (struct urb * urb) case -ENOENT: case -ESHUTDOWN: /* this urb is terminated, clean up */ - dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status); + dbg("%s - urb shutting down with status: %d", __FUNCTION__, status); return; default: - dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status); + dbg("%s - nonzero urb status received: %d", __FUNCTION__, status); goto exit; } diff --git a/drivers/usb/misc/ftdi-elan.c b/drivers/usb/misc/ftdi-elan.c index e0f122e131d..538b535e955 100644 --- a/drivers/usb/misc/ftdi-elan.c +++ b/drivers/usb/misc/ftdi-elan.c @@ -44,6 +44,7 @@ #include <linux/slab.h> #include <linux/module.h> #include <linux/kref.h> +#include <linux/mutex.h> #include <asm/uaccess.h> #include <linux/usb.h> #include <linux/workqueue.h> @@ -64,7 +65,7 @@ static struct workqueue_struct *respond_queue; * ftdi_module_lock exists to protect access to global variables * */ -static struct semaphore ftdi_module_lock; +static struct mutex ftdi_module_lock; static int ftdi_instances = 0; static struct list_head ftdi_static_list; /* @@ -199,10 +200,10 @@ static void ftdi_elan_delete(struct kref *kref) dev_warn(&ftdi->udev->dev, "FREEING ftdi=%p\n", ftdi); usb_put_dev(ftdi->udev); ftdi->disconnected += 1; - down(&ftdi_module_lock); + mutex_lock(&ftdi_module_lock); list_del_init(&ftdi->ftdi_list); ftdi_instances -= 1; - up(&ftdi_module_lock); + mutex_unlock(&ftdi_module_lock); kfree(ftdi->bulk_in_buffer); ftdi->bulk_in_buffer = NULL; } @@ -746,10 +747,12 @@ static ssize_t ftdi_elan_read(struct file *file, char __user *buffer, static void ftdi_elan_write_bulk_callback(struct urb *urb) { struct usb_ftdi *ftdi = (struct usb_ftdi *)urb->context; - if (urb->status && !(urb->status == -ENOENT || urb->status == - -ECONNRESET || urb->status == -ESHUTDOWN)) { + int status = urb->status; + + if (status && !(status == -ENOENT || status == -ECONNRESET || + status == -ESHUTDOWN)) { dev_err(&ftdi->udev->dev, "urb=%p write bulk status received: %" - "d\n", urb, urb->status); + "d\n", urb, status); } usb_buffer_free(urb->dev, urb->transfer_buffer_length, urb->transfer_buffer, urb->transfer_dma); @@ -2780,10 +2783,10 @@ static int ftdi_elan_probe(struct usb_interface *interface, return -ENOMEM; } memset(ftdi, 0x00, sizeof(struct usb_ftdi)); - down(&ftdi_module_lock); + mutex_lock(&ftdi_module_lock); list_add_tail(&ftdi->ftdi_list, &ftdi_static_list); ftdi->sequence_num = ++ftdi_instances; - up(&ftdi_module_lock); + mutex_unlock(&ftdi_module_lock); ftdi_elan_init_kref(ftdi); init_MUTEX(&ftdi->sw_lock); ftdi->udev = usb_get_dev(interface_to_usbdev(interface)); @@ -2909,7 +2912,7 @@ static int __init ftdi_elan_init(void) int result; printk(KERN_INFO "driver %s built at %s on %s\n", ftdi_elan_driver.name, __TIME__, __DATE__); - init_MUTEX(&ftdi_module_lock); + mutex_init(&ftdi_module_lock); INIT_LIST_HEAD(&ftdi_static_list); status_queue = create_singlethread_workqueue("ftdi-status-control"); if (!status_queue) diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c index 28548d18671..46d9f27ec17 100644 --- a/drivers/usb/misc/iowarrior.c +++ b/drivers/usb/misc/iowarrior.c @@ -158,9 +158,10 @@ static void iowarrior_callback(struct urb *urb) int read_idx; int aux_idx; int offset; - int status; + int status = urb->status; + int retval; - switch (urb->status) { + switch (status) { case 0: /* success */ break; @@ -213,10 +214,10 @@ static void iowarrior_callback(struct urb *urb) wake_up_interruptible(&dev->read_wait); exit: - status = usb_submit_urb(urb, GFP_ATOMIC); - if (status) + retval = usb_submit_urb(urb, GFP_ATOMIC); + if (retval) dev_err(&dev->interface->dev, "%s - usb_submit_urb failed with result %d", - __FUNCTION__, status); + __FUNCTION__, retval); } @@ -226,13 +227,15 @@ exit: static void iowarrior_write_callback(struct urb *urb) { struct iowarrior *dev; + int status = urb->status; + dev = (struct iowarrior *)urb->context; /* sync/async unlink faults aren't errors */ - if (urb->status && - !(urb->status == -ENOENT || - urb->status == -ECONNRESET || urb->status == -ESHUTDOWN)) { + if (status && + !(status == -ENOENT || + status == -ECONNRESET || status == -ESHUTDOWN)) { dbg("%s - nonzero write bulk status received: %d", - __func__, urb->status); + __func__, status); } /* free up our allocated buffer */ usb_buffer_free(urb->dev, urb->transfer_buffer_length, diff --git a/drivers/usb/misc/ldusb.c b/drivers/usb/misc/ldusb.c index 5e950b90c54..8208496dfc6 100644 --- a/drivers/usb/misc/ldusb.c +++ b/drivers/usb/misc/ldusb.c @@ -219,16 +219,17 @@ static void ld_usb_interrupt_in_callback(struct urb *urb) struct ld_usb *dev = urb->context; size_t *actual_buffer; unsigned int next_ring_head; + int status = urb->status; int retval; - if (urb->status) { - if (urb->status == -ENOENT || - urb->status == -ECONNRESET || - urb->status == -ESHUTDOWN) { + if (status) { + if (status == -ENOENT || + status == -ECONNRESET || + status == -ESHUTDOWN) { goto exit; } else { dbg_info(&dev->intf->dev, "%s: nonzero status received: %d\n", - __FUNCTION__, urb->status); + __FUNCTION__, status); spin_lock(&dev->rbsl); goto resubmit; /* maybe we can recover */ } @@ -275,14 +276,15 @@ exit: static void ld_usb_interrupt_out_callback(struct urb *urb) { struct ld_usb *dev = urb->context; + int status = urb->status; /* sync/async unlink faults aren't errors */ - if (urb->status && !(urb->status == -ENOENT || - urb->status == -ECONNRESET || - urb->status == -ESHUTDOWN)) + if (status && !(status == -ENOENT || + status == -ECONNRESET || + status == -ESHUTDOWN)) dbg_info(&dev->intf->dev, "%s - nonzero write interrupt status received: %d\n", - __FUNCTION__, urb->status); + __FUNCTION__, status); dev->interrupt_out_busy = 0; wake_up_interruptible(&dev->write_wait); diff --git a/drivers/usb/misc/legousbtower.c b/drivers/usb/misc/legousbtower.c index 2ed0daea894..561970b889a 100644 --- a/drivers/usb/misc/legousbtower.c +++ b/drivers/usb/misc/legousbtower.c @@ -742,19 +742,20 @@ exit: static void tower_interrupt_in_callback (struct urb *urb) { struct lego_usb_tower *dev = (struct lego_usb_tower *)urb->context; + int status = urb->status; int retval; - dbg(4, "%s: enter, status %d", __FUNCTION__, urb->status); + dbg(4, "%s: enter, status %d", __FUNCTION__, status); lego_usb_tower_debug_data(5, __FUNCTION__, urb->actual_length, urb->transfer_buffer); - if (urb->status) { - if (urb->status == -ENOENT || - urb->status == -ECONNRESET || - urb->status == -ESHUTDOWN) { + if (status) { + if (status == -ENOENT || + status == -ECONNRESET || + status == -ESHUTDOWN) { goto exit; } else { - dbg(1, "%s: nonzero status received: %d", __FUNCTION__, urb->status); + dbg(1, "%s: nonzero status received: %d", __FUNCTION__, status); goto resubmit; /* maybe we can recover */ } } @@ -788,7 +789,7 @@ exit: wake_up_interruptible (&dev->read_wait); lego_usb_tower_debug_data(5, __FUNCTION__, urb->actual_length, urb->transfer_buffer); - dbg(4, "%s: leave, status %d", __FUNCTION__, urb->status); + dbg(4, "%s: leave, status %d", __FUNCTION__, status); } @@ -798,23 +799,24 @@ exit: static void tower_interrupt_out_callback (struct urb *urb) { struct lego_usb_tower *dev = (struct lego_usb_tower *)urb->context; + int status = urb->status; - dbg(4, "%s: enter, status %d", __FUNCTION__, urb->status); + dbg(4, "%s: enter, status %d", __FUNCTION__, status); lego_usb_tower_debug_data(5, __FUNCTION__, urb->actual_length, urb->transfer_buffer); /* sync/async unlink faults aren't errors */ - if (urb->status && !(urb->status == -ENOENT || - urb->status == -ECONNRESET || - urb->status == -ESHUTDOWN)) { + if (status && !(status == -ENOENT || + status == -ECONNRESET || + status == -ESHUTDOWN)) { dbg(1, "%s - nonzero write bulk status received: %d", - __FUNCTION__, urb->status); + __FUNCTION__, status); } dev->interrupt_out_busy = 0; wake_up_interruptible(&dev->write_wait); lego_usb_tower_debug_data(5, __FUNCTION__, urb->actual_length, urb->transfer_buffer); - dbg(4, "%s: leave, status %d", __FUNCTION__, urb->status); + dbg(4, "%s: leave, status %d", __FUNCTION__, status); } diff --git a/drivers/usb/misc/phidgetkit.c b/drivers/usb/misc/phidgetkit.c index 371bf2b1197..aa9bcceabe7 100644 --- a/drivers/usb/misc/phidgetkit.c +++ b/drivers/usb/misc/phidgetkit.c @@ -305,9 +305,10 @@ static void interfacekit_irq(struct urb *urb) struct interfacekit *kit = urb->context; unsigned char *buffer = kit->data; int i, level, sensor; - int status; + int retval; + int status = urb->status; - switch (urb->status) { + switch (status) { case 0: /* success */ break; case -ECONNRESET: /* unlink */ @@ -377,11 +378,11 @@ static void interfacekit_irq(struct urb *urb) schedule_delayed_work(&kit->do_notify, 0); resubmit: - status = usb_submit_urb(urb, GFP_ATOMIC); - if (status) - err("can't resubmit intr, %s-%s/interfacekit0, status %d", + retval = usb_submit_urb(urb, GFP_ATOMIC); + if (retval) + err("can't resubmit intr, %s-%s/interfacekit0, retval %d", kit->udev->bus->bus_name, - kit->udev->devpath, status); + kit->udev->devpath, retval); } static void do_notify(struct work_struct *work) diff --git a/drivers/usb/misc/phidgetmotorcontrol.c b/drivers/usb/misc/phidgetmotorcontrol.c index 5727e1ea2f9..df0ebcdb9d6 100644 --- a/drivers/usb/misc/phidgetmotorcontrol.c +++ b/drivers/usb/misc/phidgetmotorcontrol.c @@ -95,9 +95,10 @@ static void motorcontrol_irq(struct urb *urb) struct motorcontrol *mc = urb->context; unsigned char *buffer = mc->data; int i, level; - int status; + int retval; + int status = urb->status;; - switch (urb->status) { + switch (status) { case 0: /* success */ break; case -ECONNRESET: /* unlink */ @@ -151,12 +152,12 @@ static void motorcontrol_irq(struct urb *urb) schedule_delayed_work(&mc->do_notify, 0); resubmit: - status = usb_submit_urb(urb, GFP_ATOMIC); - if (status) + retval = usb_submit_urb(urb, GFP_ATOMIC); + if (retval) dev_err(&mc->intf->dev, - "can't resubmit intr, %s-%s/motorcontrol0, status %d", + "can't resubmit intr, %s-%s/motorcontrol0, retval %d", mc->udev->bus->bus_name, - mc->udev->devpath, status); + mc->udev->devpath, retval); } static void do_notify(struct work_struct *work) diff --git a/drivers/usb/misc/usblcd.c b/drivers/usb/misc/usblcd.c index 504f7221b0d..71984203271 100644 --- a/drivers/usb/misc/usblcd.c +++ b/drivers/usb/misc/usblcd.c @@ -176,16 +176,17 @@ static int lcd_ioctl(struct inode *inode, struct file *file, unsigned int cmd, u static void lcd_write_bulk_callback(struct urb *urb) { struct usb_lcd *dev; + int status = urb->status; dev = (struct usb_lcd *)urb->context; /* sync/async unlink faults aren't errors */ - if (urb->status && - !(urb->status == -ENOENT || - urb->status == -ECONNRESET || - urb->status == -ESHUTDOWN)) { + if (status && + !(status == -ENOENT || + status == -ECONNRESET || + status == -ESHUTDOWN)) { dbg("USBLCD: %s - nonzero write bulk status received: %d", - __FUNCTION__, urb->status); + __FUNCTION__, status); } /* free up our allocated buffer */ diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c index fb321864a92..e901d31e051 100644 --- a/drivers/usb/misc/usbtest.c +++ b/drivers/usb/misc/usbtest.c @@ -768,8 +768,8 @@ static void ctrl_complete (struct urb *urb) /* some faults are allowed, not required */ if (subcase->expected > 0 && ( - ((urb->status == -subcase->expected /* happened */ - || urb->status == 0)))) /* didn't */ + ((status == -subcase->expected /* happened */ + || status == 0)))) /* didn't */ status = 0; /* sometimes more than one fault is allowed */ else if (subcase->number == 12 && status == -EPIPE) diff --git a/drivers/usb/misc/uss720.c b/drivers/usb/misc/uss720.c index 1a60f9c473a..2734fe2b9c4 100644 --- a/drivers/usb/misc/uss720.c +++ b/drivers/usb/misc/uss720.c @@ -111,12 +111,13 @@ static void async_complete(struct urb *urb) struct uss720_async_request *rq; struct parport *pp; struct parport_uss720_private *priv; + int status = urb->status; rq = urb->context; priv = rq->priv; pp = priv->pp; - if (urb->status) { - err("async_complete: urb error %d", urb->status); + if (status) { + err("async_complete: urb error %d", status); } else if (rq->dr.bRequest == 3) { memcpy(priv->reg, rq->reg, sizeof(priv->reg)); #if 0 |