When the USB device is disconnected, the device usage bit is not cleared
properly. This leads to errors when a device is unplugged and replugged
several times until all TM6000_MAXBOARDS bits are used and keeps the
driver from binding to the device.
---
drivers/staging/tm6000/tm6000-cards.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/tm6000/tm6000-cards.c
b/drivers/staging/tm6000/tm6000-cards.c
index 68f7c7a..94fd138 100644
--- a/drivers/staging/tm6000/tm6000-cards.c
+++ b/drivers/staging/tm6000/tm6000-cards.c
@@ -1177,7 +1177,7 @@ static int tm6000_usb_probe(struct usb_interface
*interface,
mutex_init(&dev->usb_lock);
/* Increment usage count */
- tm6000_devused |= 1<<nr;
+ set_bit(nr, &tm6000_devused);
snprintf(dev->name, 29, "tm6000 #%d", nr);
dev->model = id->driver_info;
@@ -1293,7 +1293,7 @@ static int tm6000_usb_probe(struct usb_interface
*interface,
err:
printk(KERN_ERR "tm6000: Error %d while registering\n", rc);
- tm6000_devused &= ~(1<<nr);
+ clear_bit(nr, &tm6000_devused);
usb_put_dev(usbdev);
kfree(dev);
@@ -1351,6 +1351,7 @@ static void tm6000_usb_disconnect(struct usb_interface
*interface)
tm6000_close_extension(dev);
tm6000_remove_from_devlist(dev);
+ clear_bit(dev->devno, &tm6000_devused);
kfree(dev);
}
--
1.7.6
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