Re: [PATCH 6/8] security: smack: Use a more current logging style

From: Joe Perches
Date: Mon Feb 24 2014 - 17:23:30 EST


On Mon, 2014-02-24 at 14:16 -0800, Casey Schaufler wrote:
> On 2/24/2014 1:59 PM, Joe Perches wrote:
> > Convert printks to pr_<level>
> > Add pr_fmt.

> > diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
[]
> > +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
> > +
>
> What is pr_fmt() for?

Prefixing "smack: " to the pr_<level> uses.

> > @@ -2106,8 +2108,7 @@ static int smack_inode_setsecurity(struct inode *inode, const char *name,
> > if (sock->sk->sk_family == PF_INET) {
> > rc = smack_netlabel(sock->sk, SMACK_CIPSO_SOCKET);
> > if (rc != 0)
> > - printk(KERN_WARNING
> > - "Smack: \"%s\" netlbl error %d.\n",
> > + pr_warn("\"%s\" netlbl error %d\n",
> > __func__, -rc);

This will be now be emitted as

<4>smack: "smack_inode_setsecurity" netlbl error -<d>

instead of

<4>Smack: "smack_inode_setsecurity" netlbl error -<d>

Though it'd be a lot more common to use:

pr_warn("%s: netlbl error: %d\n",
__func__, -rc);

so the output would be:

<4>smack: smack_inode_setsecurity: netlbl error: -<d>


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