From: Oliver Neukum <oneukum@xxxxxxx> Date: Fri, 26 Oct 2012 09:39:16 +0200 > On Thursday 25 October 2012 21:17:54 Hemant Kumar wrote: >> Driver anchors the tx urbs and defers the urb submission if >> a transmit request comes when the interface is suspended. >> Anchoring urb increments the urb reference count. These >> deferred urbs are later accessed by calling usb_get_from_anchor() >> for submission during interface resume. usb_get_from_anchor() >> unanchors the urb but urb reference count remains same. >> This causes the urb reference count to remain non-zero >> after usb_free_urb() gets called and urb never gets freed. >> Hence call usb_put_urb() after anchoring the urb to properly >> balance the reference count for these deferred urbs. Also, >> unanchor these deferred urbs during disconnect, to free them >> up. > > Good catch. This needs to go into stable, too. >> >> Signed-off-by: Hemant Kumar <hemantk@xxxxxxxxxxxxxx> > Acked-by: Oliver Neukum <oneukum@xxxxxxx> Applied and queued up for -stable. -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
