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From: Igor Russkikh <igor.russkikh@aquantia.com>
To: Yanko Kaneti <yaneti@declera.com>
Cc: netdev <netdev@vger.kernel.org>
Subject: Re: aquantia - BUG: unable to handle kernel NULL pointer dereference at 0000000000000058 on reboot
Date: Tue, 10 Apr 2018 15:53:39 +0300	[thread overview]
Message-ID: <6df8b628-cec5-9ce5-8430-e9a2cd27346d@aquantia.com> (raw)
In-Reply-To: <5a5882e07351e92a5d57ea6d1b91fcab55e466bf.camel@declera.com>


On 10.04.2018 15:42, Yanko Kaneti wrote:
> Hello, 
> 
> Since 90869ddfefeb net: aquantia: Implement pci shutdown callback
> I get the below oops on reboot.  Without the callback everything works
> as expected.
> 

Thanks, we also recently found out that.

Could you please try the below patch?


diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
index c96a921..32f6d2e 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
@@ -951,9 +951,11 @@ void aq_nic_shutdown(struct aq_nic_s *self)
 
 	netif_device_detach(self->ndev);
 
-	err = aq_nic_stop(self);
-	if (err < 0)
-		goto err_exit;
+	if (netif_running(self->ndev)) {
+		err = aq_nic_stop(self);
+		if (err < 0)
+			goto err_exit;
+	}
 	aq_nic_deinit(self);
 
 err_exit:
-- 
2.7.4

  reply	other threads:[~2018-04-10 12:53 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-10 12:42 aquantia - BUG: unable to handle kernel NULL pointer dereference at 0000000000000058 on reboot Yanko Kaneti
2018-04-10 12:53 ` Igor Russkikh [this message]
2018-04-10 14:06   ` Yanko Kaneti

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