linux-kernel - Re: [PATCH] kernel: audit: beautify code, for extern function, better to check its parameters by itself

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Message-ID: <51660BEC.1080901@asianux.com>
Date:	Thu, 11 Apr 2013 09:03:40 +0800
From:	Chen Gang <gang.chen@...anux.com>
To:	Eric Paris <eparis@...hat.com>
CC:	Al Viro <viro@...iv.linux.org.uk>,
	David Miller <davem@...emloft.net>,
	linux-kernel@...r.kernel.org, netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH] kernel: audit: beautify code, for extern function, better
 to check its parameters by itself

On 2013年04月11日 01:31, Eric Paris wrote:
> ----- Original Message -----
>> > 
>> >   __audit_socketcall is an extern function.
>> >   better to check its parameters by itself.
>> > 
>> >     also can return error code, when fail (find invalid parameters).
>> >     also use macro instead of real hard code number
>> >     also give related comments for it.
>> > 
>> > Signed-off-by: Chen Gang <gang.chen@...anux.com>
>> > ---
>> >  include/linux/audit.h |   12 ++++++++----
>> >  kernel/auditsc.c      |    9 ++++++---
>> >  net/socket.c          |    6 ++++--
>> >  3 files changed, 18 insertions(+), 9 deletions(-)
>> > 
>> > diff --git a/include/linux/audit.h b/include/linux/audit.h
>> > @@ -354,7 +358,7 @@ static inline int audit_bprm(struct linux_binprm *bprm)
>> >  {
>> >  	return 0;
>> >  }
>> > -static inline void audit_socketcall(int nargs, unsigned long *args)
>> > +static inline int audit_socketcall(int nargs, unsigned long *args)
>> >  { }
>> >  static inline void audit_fd_pair(int fd1, int fd2)
>> >  { }
> This now returns a value but you forgot to return a value.  Thus this would not even build...   I fixed it up myself.

  thank you very much.


  :-)


-- 
Chen Gang

Asianux Corporation
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