Re: [PATCH] selinux: convert WARN_ONCE() to printk_once() in selinux_nlmsg_perm()

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On Wednesday, November 12, 2014 04:25:15 PM Richard Guy Briggs wrote:
> On 14/11/12, Paul Moore wrote:
> > My apologies, I should have noticed this sooner, but printk_once() is
> > probably not a good choice here as only the first invalid netlink message
> > will be displayed.  This is fine if all the invalid netlink messages
> > happen the same, but that isn't likely to be the case.
> 
> This was the same situation with WARN_ONCE(), hence my comment about
> difficulty in debugging...

Unfortunately I didn't realize your point until now.

> > Richard, any objections if I convert the printk_once() to a printk(WARN)
> > and update the patch description accordingly?
> 
> Use pr_warn() instead...

Normally, yes, but the rest of the SELinux code uses printk(WARN) and I'm a 
stickler for consistency.

-- 
paul moore
security and virtualization @ redhat

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