diff options
author | Steve French <sfrench@us.ibm.com> | 2008-08-26 16:56:05 +0000 |
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committer | Steve French <sfrench@us.ibm.com> | 2008-08-26 16:56:05 +0000 |
commit | 3dae49abef945c55c10fa7c479cfd8fd13af55db (patch) | |
tree | 487c47c6d23cc28a259b913396aeaff0b792d32d /drivers/usb/core/urb.c | |
parent | 6ce5eecb9cd3ac97b952c50309b87c31488a45e9 (diff) | |
parent | b8e6c91c74e9f0279b7c51048779b3d62da60b88 (diff) |
Merge branch 'master' of /pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'drivers/usb/core/urb.c')
-rw-r--r-- | drivers/usb/core/urb.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c index c0b1ae25ae2a..47111e88f791 100644 --- a/drivers/usb/core/urb.c +++ b/drivers/usb/core/urb.c @@ -601,15 +601,20 @@ EXPORT_SYMBOL_GPL(usb_kill_anchored_urbs); void usb_unlink_anchored_urbs(struct usb_anchor *anchor) { struct urb *victim; + unsigned long flags; - spin_lock_irq(&anchor->lock); + spin_lock_irqsave(&anchor->lock, flags); while (!list_empty(&anchor->urb_list)) { victim = list_entry(anchor->urb_list.prev, struct urb, anchor_list); + usb_get_urb(victim); + spin_unlock_irqrestore(&anchor->lock, flags); /* this will unanchor the URB */ usb_unlink_urb(victim); + usb_put_urb(victim); + spin_lock_irqsave(&anchor->lock, flags); } - spin_unlock_irq(&anchor->lock); + spin_unlock_irqrestore(&anchor->lock, flags); } EXPORT_SYMBOL_GPL(usb_unlink_anchored_urbs); |