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From: Yi Yang <yi.y.yang@intel.com>
To: Randy Dunlap <randy.dunlap@oracle.com>
Cc: gregkh@suse.de, linux-kernel@vger.kernel.org, akpm@linux-foundation.org
Subject: Re: [PATCH 2.6.24] Add new string functions real_strtoul and change kernel params to use them
Date: Fri, 01 Feb 2008 00:30:17 +0800 [thread overview]
Message-ID: <1201797017.6500.16.camel@yangyi-dev.bj.intel.com> (raw)
In-Reply-To: <20080131090345.92bce974.randy.dunlap@oracle.com>
On Thu, 2008-01-31 at 09:03 -0800, Randy Dunlap wrote:
> On Thu, 31 Jan 2008 09:18:22 +0800 Yi Yang wrote:
>
> > Currently, for every sysfs node, the callers will be responsible for
> > implementing store operation, so many many callers are doing duplicate
> > things to validate input, they have the same mistakes because they are
> > calling simple_strtol/ul/ll/ull, especially for module params, they are
> > just numeric, but you can echo such values as 0x1234xxx, 07777888 and
> > 1234aaa, for these cases, module params store operation just ignores
> > successive invalid char and converts prefix part to a numeric although
> > input is actually invalid.
> >
> > This patch tries to fix the aforementioned issues and implements real_strtox
> > serial functions, kernel/params.c uses them to strictly validate input,
> > so module params will reject such values as 0x1234xxxx and returns an error:
>
> How about a prefix of safe_ or strict_ or something other than real_?
> real_ sounds too much like a real number function string parser.
>
I named it as strict_ at the beginning, but it results in some alignment
issues checkpatch.pl will always warn, i don't know if warnings will
make the patch out of the door.
In kernel/params.c, STANDARD_PARAM_DEF(a function definition macro) will
be over 80 chars, is it correct coding style to split it to two lines?
next prev parent reply other threads:[~2008-02-01 1:42 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-04 10:10 [linux-pm][PATCH] base: Change power/wakeup output from "" to "unsupported" if wakeup feature isn't supported by a device Yi Yang
2008-01-04 11:48 ` Pavel Machek
2008-01-04 16:09 ` David Brownell
2008-01-04 16:38 ` Alan Stern
2008-01-04 16:52 ` Olivier Galibert
2008-01-04 17:20 ` Oliver Neukum
2008-01-07 2:00 ` Yi Yang
2008-01-07 1:55 ` Yi Yang
2008-01-07 3:49 ` David Brownell
2008-01-07 1:52 ` Yi Yang
2008-01-07 1:37 ` Yi Yang
2008-01-07 1:57 ` Rafael J. Wysocki
2008-01-07 2:05 ` Yi Yang
2008-01-07 16:46 ` Rafael J. Wysocki
2008-01-07 1:21 ` Yi Yang
2008-01-04 16:31 ` David Brownell
2008-01-07 1:51 ` Yi Yang
2008-01-22 23:05 ` [PATCH 2.6.24-rc8] cpufreq: fix obvious condition statement error Yi Yang
2008-01-28 23:14 ` [PATCH 2.6.24] x86: add sysfs interface for cpuid module Yi Yang
2008-01-29 8:44 ` Sam Ravnborg
2008-01-29 22:22 ` Yi Yang
2008-01-30 7:48 ` Sam Ravnborg
2008-01-29 15:51 ` H. Peter Anvin
2008-01-29 17:52 ` Yi Yang
2008-01-30 6:09 ` H. Peter Anvin
2008-01-29 21:56 ` Yi Yang
2008-01-30 7:17 ` H. Peter Anvin
2008-01-29 22:13 ` Yi Yang
2008-01-30 7:33 ` H. Peter Anvin
2008-01-29 23:41 ` [RFC PATCH 2.6.24] x86: add sysfs interface for cpuid module, try 2 Yi Yang
2008-01-30 17:35 ` H. Peter Anvin
2008-01-31 1:18 ` [PATCH 2.6.24] Add new string functions real_strtoul and change kernel params to use them Yi Yang
2008-01-31 17:03 ` Randy Dunlap
2008-01-31 16:30 ` Yi Yang [this message]
2008-02-01 2:47 ` Randy Dunlap
2008-01-31 22:11 ` [PATCH 2.6.24] Add new string functions strict_strto* and convert kernel params to use them, take 2 Yi Yang
2008-02-01 0:02 ` [PATCH 2.6.24] Add new string functions strict_strto* and convert kernel params to use them, take 3 Yi Yang
2008-02-01 7:36 ` [PATCH 2.6.24] Add new string functions strict_strto* and convert kernel params to use them, take 2 Andrew Morton
2008-02-01 7:39 ` Andrew Morton
2008-02-01 7:40 ` Andrew Morton
2008-02-01 16:31 ` [PATCH 2.6.24] x86: add sysfs interface for cpuid module dean gaudet
2008-02-01 17:56 ` H. Peter Anvin
2008-02-01 17:58 ` H. Peter Anvin
2008-02-14 23:44 ` [PATCH 2.6.25-rc1] cpufreq: fix cpufreq policy refcount imbalance Yi Yang
2008-02-14 23:48 ` Yi Yang
2008-02-15 15:52 ` [linux-pm] " Alan Stern
2008-02-15 18:24 ` Greg KH
2008-02-15 21:01 ` Greg KH
2008-02-25 0:46 ` [PATCH 2.6.25-rc3] cpuidle: fix cpuidle time and usage overflow Yi Yang
2008-02-25 10:15 ` Ingo Molnar
2008-02-25 1:10 ` Yi Yang
2008-03-26 4:46 ` Len Brown
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