Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-11 22:51:42 +00:00
Code Issues Packages Projects Releases Wiki Activity

USB: driver.c: processing failure, maching resume condition with suspend condition

Browse Source 
when suspend, it need check 'udev->actconfig'.
  so when process failure, also need check it.

Signed-off-by: Chen Gang <gang.chen@asianux.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Chen Gang 2013-04-01 13:04:08 +08:00 committed by Greg Kroah-Hartman
parent 8e277d7cfa
commit 505bdbc79d
1 changed files with 6 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/usb/core/driver.c
View File

@ -1253,10 +1253,12 @@ static int usb_suspend_both(struct usb_device *udev, pm_message_t msg)
/* If the suspend failed, resume interfaces that did get suspended */
if (status != 0) {
msg.event ^= (PM_EVENT_SUSPEND | PM_EVENT_RESUME);
while (++i < n) {
intf = udev->actconfig->interface[i];
usb_resume_interface(udev, intf, msg, 0);
if (udev->actconfig) {
msg.event ^= (PM_EVENT_SUSPEND | PM_EVENT_RESUME);
while (++i < n) {
intf = udev->actconfig->interface[i];
usb_resume_interface(udev, intf, msg, 0);
}
}
/* If the suspend succeeded then prevent any more URB submissions