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Re: [PATCH] net: hix5hd2_gmac: avoid integer overload warning

From David Miller <davem@davemloft.net>
Newsgroups linux.kernel
Subject Re: [PATCH] net: hix5hd2_gmac: avoid integer overload warning
Date 2015-10-19 04:50 +0200
Message-ID <ql8Gl-7Ua-9@gated-at.bofh.it> (permalink)
References <qk426-2gx-3@gated-at.bofh.it> <qka7A-31d-77@gated-at.bofh.it>
Organization linux.* mail to news gateway

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From: Arnd Bergmann <arnd@arndb.de>
Date: Fri, 16 Oct 2015 12:00:51 +0200

> BITS_RX_EN is an 'unsigned long' constant, so the ones complement of that
> has bits set that do not fit into a 32-bit variable on 64-bit architectures,
> which causes a harmless gcc warning:
> 
> drivers/net/ethernet/hisilicon/hix5hd2_gmac.c: In function 'hix5hd2_port_disable':
> drivers/net/ethernet/hisilicon/hix5hd2_gmac.c:374:2: warning: large integer implicitly truncated to unsigned type [-Woverflow]
>   writel_relaxed(~(BITS_RX_EN | BITS_TX_EN), priv->base + PORT_EN);
> 
> This adds a cast to (u32) to tell gcc that the code is indeed fine.
> 
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Applied.
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Thread

[PATCH net-next v3 0/2] net: hisilicon fix some bugs in HNS drivers huangdaode <huangdaode@hisilicon.com> - 2015-10-16 05:40 +0200
  [PATCH net-next v3 1/2] net: hisilicon rm hnae sysfs interface huangdaode <huangdaode@hisilicon.com> - 2015-10-16 05:40 +0200
    Re: [PATCH net-next v3 1/2] net: hisilicon rm hnae sysfs interface Arnd Bergmann <arnd@arndb.de> - 2015-10-16 11:30 +0200
  [PATCH] net: hisilicon: include linux/vmalloc.h in dsaf Arnd Bergmann <arnd@arndb.de> - 2015-10-16 11:40 +0200
    Re: [PATCH] net: hisilicon: include linux/vmalloc.h in dsaf David Miller <davem@davemloft.net> - 2015-10-19 04:50 +0200
  [PATCH] net: hisilicon: add OF dependency Arnd Bergmann <arnd@arndb.de> - 2015-10-16 11:40 +0200
    Re: [PATCH] net: hisilicon: add OF dependency kbuild test robot <lkp@intel.com> - 2015-10-16 19:10 +0200
    Re: [PATCH] net: hisilicon: add OF dependency kbuild test robot <lkp@intel.com> - 2015-10-16 20:20 +0200
      Re: [PATCH] net: hisilicon: add OF dependency Joe Perches <joe@perches.com> - 2015-10-16 20:30 +0200
    Re: [PATCH] net: hisilicon: add OF dependency David Miller <davem@davemloft.net> - 2015-10-19 04:50 +0200
  Re: [PATCH net-next v3 0/2] net: hisilicon fix some bugs in HNS drivers Arnd Bergmann <arnd@arndb.de> - 2015-10-16 11:40 +0200
    Re: [PATCH net-next v3 0/2] net: hisilicon fix some bugs in HNS drivers huangdaode <huangdaode@hisilicon.com> - 2015-10-19 04:30 +0200
  [PATCH] net: hix5hd2_gmac: avoid integer overload warning Arnd Bergmann <arnd@arndb.de> - 2015-10-16 12:10 +0200
    RE: [PATCH] net: hix5hd2_gmac: avoid integer overload warning David Laight <David.Laight@ACULAB.COM> - 2015-10-16 13:20 +0200
      Re: [PATCH] net: hix5hd2_gmac: avoid integer overload warning Arnd Bergmann <arnd@arndb.de> - 2015-10-16 13:30 +0200
        Re: [PATCH] net: hix5hd2_gmac: avoid integer overload warning Joe Perches <joe@perches.com> - 2015-10-16 20:10 +0200
          Re: [PATCH] net: hix5hd2_gmac: avoid integer overload warning Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> - 2015-10-16 21:00 +0200
            Re: [PATCH] net: hix5hd2_gmac: avoid integer overload warning Joe Perches <joe@perches.com> - 2015-10-16 23:30 +0200
              Re: [PATCH] net: hix5hd2_gmac: avoid integer overload warning Arnd Bergmann <arnd@arndb.de> - 2015-10-16 23:50 +0200
    Re: [PATCH] net: hix5hd2_gmac: avoid integer overload warning David Miller <davem@davemloft.net> - 2015-10-19 04:50 +0200
  Re: [PATCH net-next v3 0/2] net: hisilicon fix some bugs in HNS  drivers David Miller <davem@davemloft.net> - 2015-10-19 04:40 +0200

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