This patch (as927) fixes a recently-introduced refcounting bug in
ehci-hcd. It's important to remember the difference between
pre-decrement and post-decrement!
Signed-off-by: Alan Stern <[EMAIL PROTECTED]>
CC: David Brownell <[EMAIL PROTECTED]>
---
Index: usb-2.6/drivers/usb/host/ehci-mem.c
===================================================================
--- usb-2.6.orig/drivers/usb/host/ehci-mem.c
+++ usb-2.6/drivers/usb/host/ehci-mem.c
@@ -118,7 +118,7 @@ static inline struct ehci_qh *qh_get (st
static inline void qh_put (struct ehci_qh *qh)
{
- if (!(qh->refcount--))
+ if (!--qh->refcount)
qh_destroy(qh);
}
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