linux-kernel - Re: [PATCH] Input: hideep - fix the uninitialized use in hideep_nvm

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Message-ID: <YM7ToLeaDajmBiwi@google.com>
Date:   Sat, 19 Jun 2021 22:35:28 -0700
From:   Dmitry Torokhov <dmitry.torokhov@...il.com>
To:     Yizhuo Zhai <yzhai003@....edu>,
        Anthony Kim <anthony.kim@...eep.com>
Cc:     linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Input: hideep - fix the uninitialized use in
 hideep_nvm_unlock()

On Sat, Jun 19, 2021 at 10:26:40PM -0700, Dmitry Torokhov wrote:
> On Sat, Jun 19, 2021 at 10:10:37PM -0700, Dmitry Torokhov wrote:
> > On Wed, Jun 16, 2021 at 03:48:51PM -0700, Yizhuo Zhai wrote:
> > > Inside function hideep_nvm_unlock(), variable "unmask_code" could
> > > be uninitialized if hideep_pgm_r_reg() returns error, however, it
> > > is used in the later if statement after an "and" operation, which
> > > is potentially unsafe.
> > 
> > I think this is pretty sensible, but let's see if the original author
> > has some comments...
> 
> I guess not. Oh well...
> 
> Applied, thank you.

Note that I had to make some changes to make it compile. Please next
time try building your changes before posting them,

Thanks.

-- 
Dmitry