From 5191d70f83fd1878c40029cffe69f6a2bf65fa0e Mon Sep 17 00:00:00 2001 From: Arushi Singhal Date: Mon, 12 Mar 2018 18:36:29 +0530 Subject: netfilter: Replace printk() with pr_*() and define pr_fmt() Using pr_() is more concise than printk(KERN_). This patch: * Replace printks having a log level with the appropriate pr_*() macros. * Define pr_fmt() to include relevant name. * Remove redundant prefixes from pr_*() calls. * Indent the code where possible. * Remove the useless output messages. * Remove periods from messages. Signed-off-by: Arushi Singhal Signed-off-by: Pablo Neira Ayuso --- net/netfilter/nf_conntrack_acct.c | 6 ++++-- net/netfilter/nf_conntrack_ecache.c | 6 ++++-- net/netfilter/nf_conntrack_timestamp.c | 6 ++++-- net/netfilter/nf_nat_core.c | 4 +++- net/netfilter/nf_nat_ftp.c | 7 ++++--- net/netfilter/nf_nat_irc.c | 7 ++++--- net/netfilter/nfnetlink_queue.c | 14 +++++++------- net/netfilter/xt_time.c | 13 +++++++------ 8 files changed, 37 insertions(+), 26 deletions(-) (limited to 'net/netfilter') diff --git a/net/netfilter/nf_conntrack_acct.c b/net/netfilter/nf_conntrack_acct.c index 866916712905..1d66de5151b2 100644 --- a/net/netfilter/nf_conntrack_acct.c +++ b/net/netfilter/nf_conntrack_acct.c @@ -8,6 +8,8 @@ * published by the Free Software Foundation. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include #include #include @@ -80,7 +82,7 @@ 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("can't register to sysctl\n"); goto out_register; } return 0; @@ -125,7 +127,7 @@ int nf_conntrack_acct_init(void) { int ret = nf_ct_extend_register(&acct_extend); if (ret < 0) - pr_err("nf_conntrack_acct: Unable to register extension\n"); + pr_err("Unable to register extension\n"); return ret; } diff --git a/net/netfilter/nf_conntrack_ecache.c b/net/netfilter/nf_conntrack_ecache.c index caac41ad9483..c11822a7d2bf 100644 --- a/net/netfilter/nf_conntrack_ecache.c +++ b/net/netfilter/nf_conntrack_ecache.c @@ -11,6 +11,8 @@ * published by the Free Software Foundation. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include #include #include @@ -372,7 +374,7 @@ static int nf_conntrack_event_init_sysctl(struct net *net) net->ct.event_sysctl_header = register_net_sysctl(net, "net/netfilter", table); if (!net->ct.event_sysctl_header) { - printk(KERN_ERR "nf_ct_event: can't register to sysctl.\n"); + pr_err("can't register to sysctl\n"); goto out_register; } return 0; @@ -419,7 +421,7 @@ int nf_conntrack_ecache_init(void) { int ret = nf_ct_extend_register(&event_extend); if (ret < 0) - pr_err("nf_ct_event: Unable to register event extension.\n"); + pr_err("Unable to register event extension\n"); BUILD_BUG_ON(__IPCT_MAX >= 16); /* ctmask, missed use u16 */ diff --git a/net/netfilter/nf_conntrack_timestamp.c b/net/netfilter/nf_conntrack_timestamp.c index 4c4734b78318..56766cb26e40 100644 --- a/net/netfilter/nf_conntrack_timestamp.c +++ b/net/netfilter/nf_conntrack_timestamp.c @@ -6,6 +6,8 @@ * published by the Free Software Foundation (or any later at your option). */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include #include #include @@ -58,7 +60,7 @@ static int nf_conntrack_tstamp_init_sysctl(struct net *net) net->ct.tstamp_sysctl_header = register_net_sysctl(net, "net/netfilter", table); if (!net->ct.tstamp_sysctl_header) { - printk(KERN_ERR "nf_ct_tstamp: can't register to sysctl.\n"); + pr_err("can't register to sysctl\n"); goto out_register; } return 0; @@ -104,7 +106,7 @@ int nf_conntrack_tstamp_init(void) int ret; ret = nf_ct_extend_register(&tstamp_extend); if (ret < 0) - pr_err("nf_ct_tstamp: Unable to register extension\n"); + pr_err("Unable to register extension\n"); return ret; } diff --git a/net/netfilter/nf_nat_core.c b/net/netfilter/nf_nat_core.c index 6c38421e31f9..617693ff9f4c 100644 --- a/net/netfilter/nf_nat_core.c +++ b/net/netfilter/nf_nat_core.c @@ -8,6 +8,8 @@ * published by the Free Software Foundation. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include #include #include @@ -814,7 +816,7 @@ static int __init nf_nat_init(void) ret = nf_ct_extend_register(&nat_extend); if (ret < 0) { nf_ct_free_hashtable(nf_nat_bysource, nf_nat_htable_size); - printk(KERN_ERR "nf_nat_core: Unable to register extension\n"); + pr_err("Unable to register extension\n"); return ret; } diff --git a/net/netfilter/nf_nat_ftp.c b/net/netfilter/nf_nat_ftp.c index d76afafdc699..5063cbf1689c 100644 --- a/net/netfilter/nf_nat_ftp.c +++ b/net/netfilter/nf_nat_ftp.c @@ -8,6 +8,8 @@ * published by the Free Software Foundation. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include #include #include @@ -71,7 +73,7 @@ static unsigned int nf_nat_ftp(struct sk_buff *skb, char buffer[sizeof("|1||65535|") + INET6_ADDRSTRLEN]; unsigned int buflen; - pr_debug("FTP_NAT: type %i, off %u len %u\n", type, matchoff, matchlen); + pr_debug("type %i, off %u len %u\n", type, matchoff, matchlen); /* Connection will come from wherever this packet goes, hence !dir */ newaddr = ct->tuplehash[!dir].tuple.dst.u3; @@ -136,8 +138,7 @@ static int __init nf_nat_ftp_init(void) /* Prior to 2.6.11, we had a ports param. No longer, but don't break users. */ static int warn_set(const char *val, const struct kernel_param *kp) { - printk(KERN_INFO KBUILD_MODNAME - ": kernel >= 2.6.10 only uses 'ports' for conntrack modules\n"); + pr_info("kernel >= 2.6.10 only uses 'ports' for conntrack modules\n"); return 0; } module_param_call(ports, warn_set, NULL, NULL, 0); diff --git a/net/netfilter/nf_nat_irc.c b/net/netfilter/nf_nat_irc.c index dcb5f6375d9d..3aa35a43100d 100644 --- a/net/netfilter/nf_nat_irc.c +++ b/net/netfilter/nf_nat_irc.c @@ -10,6 +10,8 @@ * 2 of the License, or (at your option) any later version. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include #include #include @@ -79,7 +81,7 @@ static unsigned int help(struct sk_buff *skb, */ /* AAA = "us", ie. where server normally talks to. */ snprintf(buffer, sizeof(buffer), "%u %u", ntohl(newaddr.ip), port); - pr_debug("nf_nat_irc: inserting '%s' == %pI4, port %u\n", + pr_debug("inserting '%s' == %pI4, port %u\n", buffer, &newaddr.ip, port); if (!nf_nat_mangle_tcp_packet(skb, ct, ctinfo, protoff, matchoff, @@ -108,8 +110,7 @@ static int __init nf_nat_irc_init(void) /* Prior to 2.6.11, we had a ports param. No longer, but don't break users. */ static int warn_set(const char *val, const struct kernel_param *kp) { - printk(KERN_INFO KBUILD_MODNAME - ": kernel >= 2.6.10 only uses 'ports' for conntrack modules\n"); + pr_info("kernel >= 2.6.10 only uses 'ports' for conntrack modules\n"); return 0; } module_param_call(ports, warn_set, NULL, NULL, 0); diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c index 8bba23160a68..74a04638ef03 100644 --- a/net/netfilter/nfnetlink_queue.c +++ b/net/netfilter/nfnetlink_queue.c @@ -14,6 +14,9 @@ * published by the Free Software Foundation. * */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include #include #include @@ -833,11 +836,8 @@ nfqnl_mangle(void *data, int data_len, struct nf_queue_entry *e, int diff) if (diff > skb_tailroom(e->skb)) { 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"); + if (!nskb) return -ENOMEM; - } kfree_skb(e->skb); e->skb = nskb; } @@ -1536,20 +1536,20 @@ static int __init nfnetlink_queue_init(void) status = register_pernet_subsys(&nfnl_queue_net_ops); if (status < 0) { - pr_err("nf_queue: failed to register pernet ops\n"); + pr_err("failed to register pernet ops\n"); goto out; } netlink_register_notifier(&nfqnl_rtnl_notifier); status = nfnetlink_subsys_register(&nfqnl_subsys); if (status < 0) { - pr_err("nf_queue: failed to create netlink socket\n"); + pr_err("failed to create netlink socket\n"); goto cleanup_netlink_notifier; } status = register_netdevice_notifier(&nfqnl_dev_notifier); if (status < 0) { - pr_err("nf_queue: failed to register netdevice notifier\n"); + pr_err("failed to register netdevice notifier\n"); goto cleanup_netlink_subsys; } diff --git a/net/netfilter/xt_time.c b/net/netfilter/xt_time.c index 0160f505e337..c13bcd0ab491 100644 --- a/net/netfilter/xt_time.c +++ b/net/netfilter/xt_time.c @@ -9,6 +9,9 @@ * This file is distributed under the terms of the GNU General Public * License (GPL). Copies of the GPL can be obtained from gnu.org/gpl. */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include #include #include @@ -266,13 +269,11 @@ static int __init time_mt_init(void) int minutes = sys_tz.tz_minuteswest; if (minutes < 0) /* east of Greenwich */ - printk(KERN_INFO KBUILD_MODNAME - ": kernel timezone is +%02d%02d\n", - -minutes / 60, -minutes % 60); + pr_info("kernel timezone is +%02d%02d\n", + -minutes / 60, -minutes % 60); else /* west of Greenwich */ - printk(KERN_INFO KBUILD_MODNAME - ": kernel timezone is -%02d%02d\n", - minutes / 60, minutes % 60); + pr_info("kernel timezone is -%02d%02d\n", + minutes / 60, minutes % 60); return xt_register_match(&xt_time_mt_reg); } -- cgit