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authorDavid S. Miller <davem@davemloft.net>2008-12-28 20:19:47 -0800
committerDavid S. Miller <davem@davemloft.net>2008-12-28 20:19:47 -0800
commite3c6d4ee545e427b55882d97d3b663c6411645fe (patch)
tree294326663fb757739a98083c2ddd570d1eaf7337 /drivers/usb/core/driver.c
parent5bc053089376217943187ed5153d0d1e5c5085b6 (diff)
parent3c92ec8ae91ecf59d88c798301833d7cf83f2179 (diff)
downloadlinux-e3c6d4ee545e427b55882d97d3b663c6411645fe.tar.bz2
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: arch/sparc64/kernel/idprom.c
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