Oliver Neukum <[email protected]> writes: > On Tue, 2013-11-12 at 16:34 +0100, Felix Fietkau wrote: >> Since commit 7b0c5f21f348a66de495868b8df0284e8dfd6bbf >> "sierra_net: keep status interrupt URB active", sierra_net triggers >> status interrupt polling before the net_device is opened (in order to >> properly receive the sync message response). >> >> To be able to receive further interrupts, the interrupt urb needs to be >> re-submitted, so this patch removes the bogus check for netif_running(). > > And what about the other drivers for whom this patch means added > traffic? This fix is done with a sledge hammer and cares only about > some drivers.
usbnet_stop calls usbnet_status_stop which kills the status URB, unless the driver explicitly asked for it not to be killed. And the callback properly returns on status == -ENOENT, before the lines in question. So I think Felix is right. None of the other drivers will ever hit the code he deletes. It only affects sierra_net, and that is unwanted. Bjørn -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
