From: Alan Stern <[EMAIL PROTECTED]>
For as long as I've known about it, the USBDEVFS_CONNECT ioctl hasn't
done what it's supposed to. The current code reprobes _all_ the
unbound USB interfaces; this patch (as1021) makes it reprobe only the
interface for which it was called.
Signed-off-by: Alan Stern <[EMAIL PROTECTED]>
Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]>
---
drivers/usb/core/devio.c | 7 ++++---
1 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 1f4f6d0..85ec65a 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -1373,9 +1373,10 @@ static int proc_ioctl(struct dev_state *ps, struct
usbdevfs_ioctl *ctl)
/* let kernel drivers try to (re)bind to the interface */
case USBDEVFS_CONNECT:
- usb_unlock_device(ps->dev);
- retval = bus_rescan_devices(intf->dev.bus);
- usb_lock_device(ps->dev);
+ if (!intf->dev.driver)
+ retval = device_attach(&intf->dev);
+ else
+ retval = -EBUSY;
break;
/* talk directly to the interface's driver */
--
1.5.3.8
-
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