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From: Jeff Layton <jlayton@redhat.com>
To: kernel-janitors@vger.kernel.org
Subject: Re: [patch] cifs: change && to ||
Date: Mon, 26 Apr 2010 10:44:01 +0000	[thread overview]
Message-ID: <20100426064401.161380cf@corrin.poochiereds.net> (raw)
In-Reply-To: <20100426101006.GQ29093@bicker>

On Mon, 26 Apr 2010 12:10:06 +0200
Dan Carpenter <error27@gmail.com> wrote:

> This is a typo, if pvolume_info were NULL it would oops.
> 
> This function is used in clean up and error handling.  The current code
> never passes a NULL pvolume_info, but it could pass a NULL *pvolume_info
> if the kmalloc() failed.
> 
> Signed-off-by: Dan Carpenter <error27@gmail.com>
> 
> diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
> index d9566bf..85a35a4 100644
> --- a/fs/cifs/connect.c
> +++ b/fs/cifs/connect.c
> @@ -2262,7 +2262,7 @@ cleanup_volume_info(struct smb_vol **pvolume_info)
>  {
>  	struct smb_vol *volume_info;
>  
> -	if (!pvolume_info && !*pvolume_info)
> +	if (!pvolume_info || !*pvolume_info)
>  		return;
>  
>  	volume_info = *pvolume_info;

Good catch. I wonder though whether we can just eliminate that check
altogether? In any case, this is clearly correct in the short term.

Acked-by: Jeff Layton <jlayton@redhat.com>

  reply	other threads:[~2010-04-26 10:44 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-04-26 10:10 [patch] cifs: change && to || Dan Carpenter
2010-04-26 10:44 ` Jeff Layton [this message]
2010-04-26 10:46 ` Dan Carpenter
2010-04-26 19:08 ` Steve French

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