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Re: [PATCH] lib: fix callers of strtobool to use char array

From Kees Cook <keescook@chromium.org>
Newsgroups linux.kernel
Subject Re: [PATCH] lib: fix callers of strtobool to use char array
Date 2016-01-28 02:10 +0100
Message-ID <qVJfY-3YB-7@gated-at.bofh.it> (permalink)
References <qVIWC-3zl-21@gated-at.bofh.it> <qVJ6i-3DX-15@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Wed, Jan 27, 2016 at 4:58 PM, Joe Perches <joe@perches.com> wrote:
> On Wed, 2016-01-27 at 16:45 -0800, Kees Cook wrote:
>> Some callers of strtobool were passing a pointer to unterminated strings.
>> This fixes the issue and consolidates some logic in cifs.
>
> This may be incomplete as it duplicates the behavior for
> the old number of characters, but this is not a solution
> for the entry of a bool that is "on" or "off".

As in, the on/off patch is missing? Yes, that's been sent separately,
but I wanted to make sure these changes weren't upsetting to the two
users.

>> diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c
> []
>> @@ -290,7 +305,8 @@ static ssize_t cifs_stats_proc_write(struct file *file,
>>                       }
>>               }
>>               spin_unlock(&cifs_tcp_ses_lock);
>> -     }
>> +     } else
>> +             return rc;
>
> Likely better to reverse the test and unindent the
> preceding block.
>
> Otherwise, please make sure to use the general brace
> form of when one branch needs braces, the other branch
> should have them too.

Okay, sure, I'll rework this and send it together with the on/off patch.

-Kees

-- 
Kees Cook
Chrome OS & Brillo Security

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Thread

[PATCH] lib: fix callers of strtobool to use char array Kees Cook <keescook@chromium.org> - 2016-01-28 01:50 +0100
  Re: [PATCH] lib: fix callers of strtobool to use char array Joe Perches <joe@perches.com> - 2016-01-28 02:00 +0100
    Re: [PATCH] lib: fix callers of strtobool to use char array Kees Cook <keescook@chromium.org> - 2016-01-28 02:10 +0100

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