linux-kernel - Re: [PATCH 2/2] Fixed Trivial Warnings in file: Deleted Spaces prior to tabs, and added lines. modified: kernel/auditfilter.c

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Message-ID: <20151021153339.GA5269@madcap2.tricolour.ca>
Date:	Wed, 21 Oct 2015 11:33:39 -0400
From:	Richard Guy Briggs <rgb@...hat.com>
To:	Joe Perches <joe@...ches.com>
Cc:	Scott Matheina <scott@...heina.com>,
	Paul Moore <paul@...l-moore.com>, linux-audit@...hat.com,
	trivial@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] Fixed Trivial Warnings in file: Deleted Spaces prior
 to tabs, and added lines. modified: kernel/auditfilter.c

On 15/10/21, Joe Perches wrote:
> On Mon, 2015-10-19 at 12:10 -0400, Richard Guy Briggs wrote:
> > On 15/10/18, Scott Matheina wrote:
> > > On 10/14/2015 04:54 PM, Paul Moore wrote:
> > > > On Saturday, October 10, 2015 08:57:55 PM Scott Matheina wrote:
> []
> > > >> diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c
> []
> > > >> @@ -109,6 +109,7 @@ void audit_free_rule_rcu(struct rcu_head *head)
> > > >>  {
> > > >>  	struct audit_entry *e = container_of(head, struct audit_entry, rcu);
> > > >>  	audit_free_rule(e);
> > > >> +
> > > >>  }
> > > > Why?
> > > 
> > > I was following the error messages in checkpatch.pl, but the warning
> > > went away after adding this line. No problem with the code. 
> > 
> > That sounds like a bug in checkpatch.pl, since that blank line should be
> > tween the declaration and the function call.
> 
> checkpatch message asks for a blank line after the
> "struct audit_entry *e = ..." declaration.

Well then maybe it is a bug in his interpretation of the output of
checkpatch.pl?  Scott, did you re-run checkpatch.pl after adding those
spaces?  Did it pass?

> > > >>  	while (*list != ~0U) {
> > > >> +
> > > >>  		unsigned n = *list++;
> > > >>  		if (n >= AUDIT_BITMASK_SIZE * 32 - AUDIT_SYSCALL_CLASSES) {
> > > >>  			kfree(p);
> > > > Why?
> > > 
> > > This is the same as above. Just going through the checkpatch.pl
> > > script, and looking for warnings to fix. 
> > 
> > Again, another manifestation of that bug?  That blank line should be
> > after the declaration and before the if statement.
> []
> > Well, I agree, you have to start somewhere...  Too bad you hit a bug in
> > checkpatch.pl!
> 
> Here too, not a bug in checkpatch.
> 
> checkpatch output asks for a blank line after the
> "unsigned n" declaration, not before.

- RGB

--
Richard Guy Briggs <rbriggs@...hat.com>
Senior Software Engineer, Kernel Security, AMER ENG Base Operating Systems, Red Hat
Remote, Ottawa, Canada
Voice: +1.647.777.2635, Internal: (81) 32635, Alt: +1.613.693.0684x3545
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