Re: [PATCH] usb: gadget: rndis: don't use dev_get_stats()

[MichaÅ Nazarewicz]

> From: Michal Nazarewicz <m.nazarewicz@xxxxxxxxxxx>
> > This commit removes the call to dev_get_stats() from the
> > gen_ndis_query_resp() function.  Since spin_lock_bh() was
> > added to dev_txq_stats_fold() the call started causing
> > warnings.  This is because gen_ndis_query_resp() can be
> > (indirectly) called from rndis_command_complete() which is
> > called with interrupts disabled.

On Mon, 20 Sep 2010 20:27:27 +0200, David Miller <davem@xxxxxxxxxxxxx> wrote:
> The way this works is dev_get_stats() takes that "temp" object the
> caller provides, it writes the correct statistics into it (with any
> necessary translations), and then passes back a pointer to it.
>
> See net/core/dev.c:dev_get_stats()
>
> You must use dev_get_stats() or else the statistics won't be properly
> converted.

I'm only wondering whether it's required for RNDIS to use dev_get_stats().
I haven't found reference to netdev_queue in g_ether related code and
I noticed that u_ether.c seems to update dev->stats directly.

--
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