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authorDmitry Torokhov <dtor@insightbb.com>2006-11-04 22:42:39 -0500
committerDmitry Torokhov <dtor@insightbb.com>2006-11-04 22:42:39 -0500
commit752c58a471c108d64da1676b2925dfbd83eb177e (patch)
treefbffa0d7c54cd812950dffc16d642c9d449f4faf /drivers/usb/core/devio.c
parente52b29c2a637f6854d71a45646d7283d984a6dad (diff)
parent10b1fbdb0a0ca91847a534ad26d0bc250c25b74f (diff)
Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'drivers/usb/core/devio.c')
-rw-r--r--drivers/usb/core/devio.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 724822cac2b1..fed92be63b5e 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -1588,15 +1588,18 @@ const struct file_operations usbfs_device_file_operations = {
.release = usbdev_release,
};
-static void usbdev_add(struct usb_device *dev)
+static int usbdev_add(struct usb_device *dev)
{
int minor = ((dev->bus->busnum-1) * 128) + (dev->devnum-1);
dev->class_dev = class_device_create(usb_device_class, NULL,
MKDEV(USB_DEVICE_MAJOR, minor), &dev->dev,
"usbdev%d.%d", dev->bus->busnum, dev->devnum);
+ if (IS_ERR(dev->class_dev))
+ return PTR_ERR(dev->class_dev);
dev->class_dev->class_data = dev;
+ return 0;
}
static void usbdev_remove(struct usb_device *dev)
@@ -1609,7 +1612,8 @@ static int usbdev_notify(struct notifier_block *self, unsigned long action,
{
switch (action) {
case USB_DEVICE_ADD:
- usbdev_add(dev);
+ if (usbdev_add(dev))
+ return NOTIFY_BAD;
break;
case USB_DEVICE_REMOVE:
usbdev_remove(dev);