Re: [PATCH v2] net: natsemi: ns83820: add checks for dma mapping error

From	David Miller <davem@davemloft.net>
Newsgroups	linux.kernel
Subject	Re: [PATCH v2] net: natsemi: ns83820: add checks for dma mapping error
Date	2017-04-24 20:10 +0200
Message-ID	<tzQAW-1Uk-17@gated-at.bofh.it> (permalink)
References	<txklQ-4zD-9@gated-at.bofh.it> <tz2Xw-3gg-19@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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From: Alexey Khoroshilov <khoroshilov@ispras.ru>
Date: Sat, 22 Apr 2017 16:06:05 +0300

> +		free_idx = (free_idx + NR_TX_DESC - 1) % NR_TX_DESC;

This is more simply stated as "(free_idx - 1) % NR_TX_DESC.

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[PATCH] net: natsemi: ns83820: add checks for dma mapping error Alexey Khoroshilov <khoroshilov@ispras.ru> - 2017-04-15 01:00 +0200
  Re: [PATCH] net: natsemi: ns83820: add checks for dma mapping error David Miller <davem@davemloft.net> - 2017-04-17 21:20 +0200
    [PATCH v2] net: natsemi: ns83820: add checks for dma mapping error Alexey Khoroshilov <khoroshilov@ispras.ru> - 2017-04-22 15:10 +0200
      Re: [PATCH v2] net: natsemi: ns83820: add checks for dma mapping  error Francois Romieu <romieu@fr.zoreil.com> - 2017-04-22 21:30 +0200
      Re: [PATCH v2] net: natsemi: ns83820: add checks for dma mapping  error David Miller <davem@davemloft.net> - 2017-04-24 20:10 +0200

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