linux-kernel - Re: [Linux-kernel-mentees][PATCH v2] packet: Fix undefined behavior in bit shift

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Message-Id: <20190629.110640.41970452437281023.davem@davemloft.net>
Date:   Sat, 29 Jun 2019 11:06:40 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     c0d1n61at3@...il.com
Cc:     skhan@...uxfoundation.org,
        linux-kernel-mentees@...ts.linuxfoundation.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [Linux-kernel-mentees][PATCH v2] packet: Fix undefined
 behavior in bit shift

From: Jiunn Chang <c0d1n61at3@...il.com>
Date: Wed, 26 Jun 2019 22:25:30 -0500

> Shifting signed 32-bit value by 31 bits is undefined.  Changing most
> significant bit to unsigned.
> 
> Changes included in v2:
>   - use subsystem specific subject lines
>   - CC required mailing lists
> 
> Signed-off-by: Jiunn Chang <c0d1n61at3@...il.com>

Applied.