linux-kernel - Re: [patch] Squashfs: silence some uninitialized variable warnings

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Message-ID: <CAKvUva_iHkPh-nxJ=GiWseoe4Tv4beCb+Z8v_9VgnuCjLaRV+w@mail.gmail.com>
Date:	Wed, 13 Jul 2016 13:29:32 +0200
From:	Silvan Jegen <s.jegen@...il.com>
To:	Dan Carpenter <dan.carpenter@...cle.com>
Cc:	Phillip Lougher <phillip@...ashfs.org.uk>,
	lkml <linux-kernel@...r.kernel.org>,
	kernel-janitors@...r.kernel.org
Subject: Re: [patch] Squashfs: silence some uninitialized variable warnings

Hi Dan

On Wed, Jul 13, 2016 at 12:02 PM, Dan Carpenter
<dan.carpenter@...cle.com> wrote:
> We print these values in the TRACE() code before we check that
> fill_meta_index() was successful.  It makes my static checker complain.
>
> Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
>
> diff --git a/fs/squashfs/file.c b/fs/squashfs/file.c
> index 13d8094..46679e2 100644
> --- a/fs/squashfs/file.c
> +++ b/fs/squashfs/file.c
> @@ -334,9 +334,9 @@ failed:
>   */
>  static int read_blocklist(struct inode *inode, int index, u64 *block)
>  {
> -       u64 start;
> +       u64 start = -1;

Do you assign the negative value to the unsigned variable here on purpose?


Cheers,

Silvan