于 2012年12月18日 23:17, Alan Stern 写道:
>> static void urb_free_priv (struct ohci_hcd *hc, urb_priv_t *urb_priv)
>> > {
>> > - int last = urb_priv->length - 1;
>> > + int last;
>> >
>> > + if (!urb_priv)
>> > + return;
>> > +
>> > + last = urb_priv->length - 1;
On Tue, 18 Dec 2012, Chen Gang wrote:
> although we can not say it is surely a bug.
> it is better to set urb->hcpriv = NULL, after finish calling urb_free_priv.
> before kfree urb_priv, better to judge whether urb_priv == NULL, firstly.
>
> Signed-off-by: Chen Gang
> ---
> drivers/usb/ho
although we can not say it is surely a bug.
it is better to set urb->hcpriv = NULL, after finish calling urb_free_priv.
before kfree urb_priv, better to judge whether urb_priv == NULL, firstly.
Signed-off-by: Chen Gang
---
drivers/usb/host/ohci-q.c |7 ++-
1 file changed, 6 insert
