aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/usb/core/driver.c
diff options
context:
space:
mode:
authorDmitry Torokhov <dmitry.torokhov@gmail.com>2008-12-20 04:54:54 -0500
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2008-12-20 04:54:54 -0500
commit93b8eef1c098efbea2f1fc0be7e3c681f259a7e7 (patch)
tree462cc8c2bc07bbc825dab2a200891a28d8643329 /drivers/usb/core/driver.c
parentInput: libps2 - handle 0xfc responses from devices (diff)
parentLinux 2.6.28-rc9 (diff)
downloadlinux-dev-93b8eef1c098efbea2f1fc0be7e3c681f259a7e7.tar.xz
linux-dev-93b8eef1c098efbea2f1fc0be7e3c681f259a7e7.zip
Merge commit 'v2.6.28-rc9' into next
Diffstat (limited to 'drivers/usb/core/driver.c')
-rw-r--r--drivers/usb/core/driver.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index 3d7793d93031..8c081308b0e2 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -279,7 +279,9 @@ static int usb_unbind_interface(struct device *dev)
* altsetting means creating new endpoint device entries).
* When either of these happens, defer the Set-Interface.
*/
- if (!error && intf->dev.power.status == DPM_ON)
+ if (intf->cur_altsetting->desc.bAlternateSetting == 0)
+ ; /* Already in altsetting 0 so skip Set-Interface */
+ else if (!error && intf->dev.power.status == DPM_ON)
usb_set_interface(udev, intf->altsetting[0].
desc.bInterfaceNumber, 0);
else