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authorSimon Horman <horms@verge.net.au>2008-09-10 09:14:52 +1000
committerSimon Horman <horms@verge.net.au>2008-09-10 09:14:52 +1000
commitc051a0a2c9e283c1123ed3ce65e66e41d2ce5e24 (patch)
tree1202d018129ca5538cd98b1e4542b239045c1a2d /drivers/usb/core/urb.c
parente9c0ce232e7a36daae1ca08282609d7f0c57c567 (diff)
parent28faa979746b2352cd78a376bf9f52db953bda46 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 into lvs-next-2.6
Diffstat (limited to 'drivers/usb/core/urb.c')
-rw-r--r--drivers/usb/core/urb.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c
index c0b1ae25ae2..47111e88f79 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);