From: Mark Salter <msalter@redhat.com>
To: Dann Frazier <dann.frazier@canonical.com>
Cc: Iyappan Subramanian <isubramanian@apm.com>,
davem@davemloft.net, netdev@vger.kernel.org,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
linux-arm-kernel@lists.infradead.org, jcm@redhat.com,
patches@apm.com, Ravi Patel <rapatel@apm.com>,
Keyur Chudgar <kchudgar@apm.com>
Subject: Re: [PATCH v8 4/4] drivers: net: Add APM X-Gene SoC ethernet driver support.
Date: Wed, 25 Jun 2014 12:40:45 -0400 [thread overview]
Message-ID: <1403714445.755.112.camel@deneb.redhat.com> (raw)
In-Reply-To: <CALdTtnvHt5mYMC3619E4F3KK0jPOw7mCpKE6bTn0Um6fdZ4rbw@mail.gmail.com>
On Tue, 2014-06-24 at 22:29 -0600, Dann Frazier wrote:
> On Fri, Jun 20, 2014 at 5:18 PM, Iyappan Subramanian
> > + ring->desc_addr = dma_zalloc_coherent(dev, size, &ring->dma,
> > + GFP_KERNEL);
>
> Iyappan,
> When testing this driver on a 3.16-rc2 base, I'm finding that
> desc_addr gets assigned to NULL here, which results in an oops later
> on (see below).
>
> I wasn't seeing this before (3.15 base), so I'm guessing something
> changed upstream, or in my config, to change this behavior. But it
> does illuminate a place where we could maybe use some better error
> handling (also see below).
https://lkml.org/lkml/2014/6/23/10
next prev parent reply other threads:[~2014-06-25 16:40 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-20 23:18 [PATCH v8 0/4] net: Add APM X-Gene SoC Ethernet driver support Iyappan Subramanian
2014-06-20 23:18 ` [PATCH v8 1/4] MAINTAINERS: Add entry for APM X-Gene SoC ethernet driver Iyappan Subramanian
[not found] ` <1403306296-26198-1-git-send-email-isubramanian-qTEPVZfXA3Y@public.gmane.org>
2014-06-20 23:18 ` [PATCH v8 2/4] Documentation: dts: Add bindings " Iyappan Subramanian
2014-06-20 23:18 ` [PATCH v8 3/4] " Iyappan Subramanian
2014-06-20 23:18 ` [PATCH v8 4/4] drivers: net: Add APM X-Gene SoC ethernet driver support Iyappan Subramanian
[not found] ` <1403306296-26198-5-git-send-email-isubramanian-qTEPVZfXA3Y@public.gmane.org>
2014-06-25 4:29 ` Dann Frazier
2014-06-25 16:40 ` Mark Salter [this message]
[not found] ` <CALdTtnvHt5mYMC3619E4F3KK0jPOw7mCpKE6bTn0Um6fdZ4rbw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-06-25 23:04 ` Russell King - ARM Linux
2014-07-09 22:39 ` Iyappan Subramanian
2014-06-25 5:34 ` David Miller
[not found] ` <20140624.223442.1599243407487139839.davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
2014-07-09 22:38 ` Iyappan Subramanian
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