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From: Chris Clayton <chris2553-gM/Ye1E23mwN+BqQ9rBEUg@public.gmane.org>
To: Sachin Prabhu <sprabhu-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: Linux CIFS mailing list
	<linux-cifs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	jlayton-eUNUBHrolfbYtjvyW6yDsg@public.gmane.org,
	smfrench-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
Subject: Re: [PATCH] Fix number parsing in cifs_parse_mount_options
Date: Fri, 13 Apr 2012 22:47:02 +0100	[thread overview]
Message-ID: <4F889ED6.3040700@googlemail.com> (raw)
In-Reply-To: <1334322272.2308.1.camel@localhost>

On 04/13/12 14:04, Sachin Prabhu wrote:
> The function kstrtoul() used to parse number strings in the mount
> option parser is set to expect a base 10 number . This treats the octal
> numbers passed for mount options such as file_mode as base10 numbers
> leading to incorrect behavior.
>
> Change the 'base' argument passed to kstrtoul from 10 to 0 to
> allow it to auto-detect the base of the number passed.
>
> Signed-off-by: Sachin Prabhu<sprabhu-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
> Reported-by: Chris Clayton<chris2553-gM/Ye1E23mwN+BqQ9rBEUg@public.gmane.org>
>
> ---
>   fs/cifs/connect.c |    2 +-
>   1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
> index 6a86f3d..f31dc9a 100644
> --- a/fs/cifs/connect.c
> +++ b/fs/cifs/connect.c
> @@ -1123,7 +1123,7 @@ static int get_option_ul(substring_t args[], unsigned long *option)
>   	string = match_strdup(args);
>   	if (string == NULL)
>   		return -ENOMEM;
> -	rc = kstrtoul(string, 10, option);
> +	rc = kstrtoul(string, 0, option);
>   	kfree(string);
>
>   	return rc;
Yes, that's fixed it. Thanks again, Sachin.

Tested-by: Chris Clayton <chris2553-gM/Ye1E23mwN+BqQ9rBEUg@public.gmane.org>

      parent reply	other threads:[~2012-04-13 21:47 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-04-13  6:12 3.4.0-rc2+: CIFS - strange file modes Chris Clayton
     [not found] ` <201204130712.51693.chris2553-gM/Ye1E23mwN+BqQ9rBEUg@public.gmane.org>
2012-04-13 13:04   ` [PATCH] Fix number parsing in cifs_parse_mount_options Sachin Prabhu
2012-04-13 13:17     ` Jeff Layton
     [not found]       ` <20120413091753.60dccc93-9yPaYZwiELC+kQycOl6kW4xkIHaj4LzF@public.gmane.org>
2012-04-13 15:03         ` Steve French
2012-04-13 21:47     ` Chris Clayton [this message]

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