Re: [PATCH v2] net: netfilter: Replace printk() with appropriate pr_*() macro

From: Joe Perches
Date: Sun Mar 11 2018 - 15:52:49 EST


On Mon, 2018-03-12 at 01:11 +0530, Arushi Singhal wrote:
> Using pr_<loglevel>() is more concise than
> printk(KERN_<LOGLEVEL>).
> Replace printks having a log level with the appropriate
> pr_*() macros.
>
> Signed-off-by: Arushi Singhal <arushisinghal19971997@xxxxxxxxx>
> ---
> changes in v2
> *in v1 printk() were replaced with netdev_*()

> net/netfilter/nf_conntrack_acct.c | 2 +-
> net/netfilter/nf_conntrack_ecache.c | 2 +-
> net/netfilter/nf_conntrack_timestamp.c | 2 +-
> net/netfilter/nf_nat_core.c | 2 +-
> net/netfilter/nfnetlink_queue.c | 4 ++--
> 5 files changed, 6 insertions(+), 6 deletions(-)

None of these files have a #define for pr_fmt so this
should be OK.

Perhaps coalesce the formats and remove the unnecessary periods too.

> diff --git a/net/netfilter/nf_conntrack_acct.c b/net/netfilter/nf_conntrack_acct.c
[]
> @@ -80,7 +80,7 @@ static int nf_conntrack_acct_init_sysctl(struct net *net)
> net->ct.acct_sysctl_header = register_net_sysctl(net, "net/netfilter",
> table);
> if (!net->ct.acct_sysctl_header) {
> - printk(KERN_ERR "nf_conntrack_acct: can't register to sysctl.\n");
> + pr_err("nf_conntrack_acct: can't register to sysctl.\n");
> goto out_register;
> }
> return 0;

etc...

> diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c
[]
> @@ -834,8 +834,8 @@ nfqnl_mangle(void *data, int data_len, struct nf_queue_entry *e, int diff)
> nskb = skb_copy_expand(e->skb, skb_headroom(e->skb),
> diff, GFP_ATOMIC);
> if (!nskb) {
> - printk(KERN_WARNING "nf_queue: OOM "
> - "in mangle, dropping packet\n");
> + pr_warn("nf_queue: OOM "
> + "in mangle, dropping packet\n");
> return -ENOMEM;
> }
> kfree_skb(e->skb);