linux-kernel - RE: [PATCH] can: xilinx_can: Add check for NAPI Poll function

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Message-ID: <DM6PR02MB53861A46A48B4689F668BEE9AF2E9@DM6PR02MB5386.namprd02.prod.outlook.com>
Date:   Wed, 9 Feb 2022 08:29:55 +0000
From:   Srinivas Neeli <sneeli@...inx.com>
To:     Marc Kleine-Budde <mkl@...gutronix.de>
CC:     "wg@...ndegger.com" <wg@...ndegger.com>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "kuba@...nel.org" <kuba@...nel.org>,
        Michal Simek <michals@...inx.com>,
        "linux-can@...r.kernel.org" <linux-can@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Appana Durga Kedareswara Rao <appanad@...inx.com>,
        Srinivas Goud <sgoud@...inx.com>, git <git@...inx.com>
Subject: RE: [PATCH] can: xilinx_can: Add check for NAPI Poll function

Hi Marc,

> -----Original Message-----
> From: Marc Kleine-Budde <mkl@...gutronix.de>
> Sent: Wednesday, February 9, 2022 1:20 PM
> To: Srinivas Neeli <sneeli@...inx.com>
> Cc: wg@...ndegger.com; davem@...emloft.net; kuba@...nel.org; Michal
> Simek <michals@...inx.com>; linux-can@...r.kernel.org;
> netdev@...r.kernel.org; linux-arm-kernel@...ts.infradead.org; linux-
> kernel@...r.kernel.org; Appana Durga Kedareswara Rao
> <appanad@...inx.com>; Srinivas Goud <sgoud@...inx.com>; git
> <git@...inx.com>
> Subject: Re: [PATCH] can: xilinx_can: Add check for NAPI Poll function
> 
> On 08.02.2022 21:50:53, Srinivas Neeli wrote:
> > Add check for NAPI poll function to avoid enabling interrupts with out
> > completing the NAPI call.
> 
> Thanks for the patch. Does this fix a bug? If so, please add a Fixes:
> tag that lists the patch that introduced that bug.

It is not a bug. I am adding additional safety check( Validating the return value of  "napi_complete_done" call).

Thanks
Srinivas Neeli

> 
> regards,
> Marc
> 
> --
> Pengutronix e.K.                 | Marc Kleine-Budde           |
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