linux-kernel - Re: [PATCH v4 RESEND net-next] net: socket: use BIT() for MSG

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Date:   Wed, 17 Mar 2021 11:40:03 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Menglong Dong <menglong8.dong@...il.com>
Cc:     Guenter Roeck <linux@...ck-us.net>,
        Jakub Kicinski <kuba@...nel.org>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "axboe@...nel.dk" <axboe@...nel.dk>,
        "viro@...iv.linux.org.uk" <viro@...iv.linux.org.uk>,
        "herbert@...dor.apana.org.au" <herbert@...dor.apana.org.au>,
        "dong.menglong@....com.cn" <dong.menglong@....com.cn>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH v4 RESEND net-next] net: socket: use BIT() for MSG_*

On Wed, Mar 17, 2021 at 11:36 AM Andy Shevchenko
<andy.shevchenko@...il.com> wrote:
> On Wed, Mar 17, 2021 at 10:21 AM Menglong Dong <menglong8.dong@...il.com> wrote:

...

> It maybe fixed by swapping positions of the arguments, i.e. ~(FOO |
> BAR) & flags.

...and type casting will be needed anyway here...

I was thinking about this case

drivers/i2c/busses/i2c-designware-common.c:420:
dev->sda_hold_time & ~(u32)DW_IC_SDA_HOLD_RX_MASK
,

but sda_hold_time there is unsigned.

-- 
With Best Regards,
Andy Shevchenko