Re: [PATCH v3] Drivers: vmbus: Check for channel allocation before looking up relids

From: Wei Liu
Date: Mon Mar 06 2023 - 10:29:18 EST


On Mon, Feb 20, 2023 at 02:23:50PM +0000, Wei Liu wrote:
> On Fri, Feb 17, 2023 at 11:17:04PM +0000, Dexuan Cui wrote:
> > > From: Mohammed Gamal <mgamal@xxxxxxxxxx>
> > > Sent: Friday, February 17, 2023 12:44 PM
> > > ...
> > > --- a/drivers/hv/connection.c
> > > +++ b/drivers/hv/connection.c
> > > @@ -409,6 +409,10 @@ void vmbus_disconnect(void)
> > > */
> > > struct vmbus_channel *relid2channel(u32 relid)
> > > {
> > > + if (vmbus_connection.channels == NULL) {
> > > + pr_warn_once("relid2channel: relid=%d: No channels mapped!\n",
> > > relid);
> >
> > Looks good to me except that the line exceeds 80 characters.
> > Please run "scripts/checkpatch.pl" to detect that.
> > For this patch, I guess Wei may be willing to help fix it.
> >
> > > + return NULL;
> > > + }
> > > if (WARN_ON(relid >= MAX_CHANNEL_RELIDS))
> > > return NULL;
> > > return READ_ONCE(vmbus_connection.channels[relid]);
> > > --
> >
> > Reviewed-by: Dexuan Cui <decui@xxxxxxxxxxxxx>
>
> I will pick this up via hyperv-fixes.

Now applied to hyperv-fixes.

Thanks,
Wei.