linux-kernel - Re: [PATCH next] pds_fwctl: Fix a NULL vs IS_ERR() check in pdsfc_validate

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Message-ID: <20250319162733.GE10600@ziepe.ca>
Date: Wed, 19 Mar 2025 13:27:33 -0300
From: Jason Gunthorpe <jgg@...pe.ca>
To: Dan Carpenter <dan.carpenter@...aro.org>
Cc: "Nelson, Shannon" <shannon.nelson@....com>,
	Brett Creeley <brett.creeley@....com>,
	Dave Jiang <dave.jiang@...el.com>,
	Saeed Mahameed <saeedm@...dia.com>,
	Jonathan Cameron <Jonathan.Cameron@...wei.com>,
	Leon Romanovsky <leon@...nel.org>, linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: Re: [PATCH next] pds_fwctl: Fix a NULL vs IS_ERR() check in
 pdsfc_validate_rpc()

On Wed, Mar 19, 2025 at 07:26:10PM +0300, Dan Carpenter wrote:
> On Wed, Mar 19, 2025 at 09:18:31AM -0700, Nelson, Shannon wrote:
> > On 3/19/2025 12:06 AM, Dan Carpenter wrote:
> > > 
> > > The pdsfc_get_operations() function returns error pointers, it doesn't
> > > return NULL.  However, the "ep_info->operations" pointer should be set
> > > to either a valid pointer or NULL because the rest of the driver checks
> > > for that.
> > > 
> > > Fixes: 804294d75ac5 ("pds_fwctl: add rpc and query support")
> > > Signed-off-by: Dan Carpenter <dan.carpenter@...aro.org>
> > 
> > Hi Dan, thanks for this patch.  We also have this same fix in the patchset
> > update that I was expecting to push out today, but you beat me to it.
> > 
> > Shall I continue with our v4 patchset, or should I now be sending smaller
> > patches to update from earlier review comments?
> > 
> 
> I don't track how these things are merged.  If you were going to fix
> it in a v4 patchset then just ignore this patch.  Typically in that
> case you would fold the fix into the patchset anyway.

Right, please just send v4 and include a fix Dan's report.

Thanks,
Jason