linux-kernel - Re: [PATCH 3/7] exec: Move initialization of bprm->filename into alloc

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Message-ID: <20200715063456.GC32470@infradead.org>
Date:   Wed, 15 Jul 2020 07:34:56 +0100
From:   Christoph Hellwig <hch@...radead.org>
To:     "Eric W. Biederman" <ebiederm@...ssion.com>
Cc:     linux-kernel@...r.kernel.org,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Kees Cook <keescook@...omium.org>,
        Andy Lutomirski <luto@...nel.org>,
        "H. Peter Anvin" <hpa@...or.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Al Viro <viro@...iv.linux.org.uk>,
        Luis Chamberlain <mcgrof@...nel.org>,
        linux-fsdevel@...r.kernel.org,
        Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
        linux-security-module@...r.kernel.org,
        "Serge E. Hallyn" <serge@...lyn.com>,
        James Morris <jmorris@...ei.org>,
        Kentaro Takeda <takedakn@...data.co.jp>,
        Casey Schaufler <casey@...aufler-ca.com>,
        John Johansen <john.johansen@...onical.com>,
        Christoph Hellwig <hch@...radead.org>
Subject: Re: [PATCH 3/7] exec: Move initialization of bprm->filename into
 alloc_bprm

On Tue, Jul 14, 2020 at 08:29:36AM -0500, Eric W. Biederman wrote:
>  
> -static struct linux_binprm *alloc_bprm(void)
> +static struct linux_binprm *alloc_bprm(int fd, struct filename *filename)
>  {
>  	struct linux_binprm *bprm = kzalloc(sizeof(*bprm), GFP_KERNEL);
> +	int retval = -ENOMEM;
>  	if (!bprm)
> -		return ERR_PTR(-ENOMEM);
> +		goto out;
> +

Ok, so here we add to it.   Two nitpicks:

The abose is missing a blank line after the declarations, which really
makes things more readable.  Also no need for the goto there.

Otherwisel ooks good:

Reviewed-by: Christoph Hellwig <hch@....de>