diff options
Diffstat (limited to 'net/netfilter/xt_HL.c')
| -rw-r--r-- | net/netfilter/xt_HL.c | 30 |
1 files changed, 14 insertions, 16 deletions
diff --git a/net/netfilter/xt_HL.c b/net/netfilter/xt_HL.c index 10e789e2d12a..95b084800fcc 100644 --- a/net/netfilter/xt_HL.c +++ b/net/netfilter/xt_HL.c @@ -9,7 +9,7 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ - +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/module.h> #include <linux/skbuff.h> #include <linux/ip.h> @@ -26,7 +26,7 @@ MODULE_DESCRIPTION("Xtables: Hoplimit/TTL Limit field modification target"); MODULE_LICENSE("GPL"); static unsigned int -ttl_tg(struct sk_buff *skb, const struct xt_target_param *par) +ttl_tg(struct sk_buff *skb, const struct xt_action_param *par) { struct iphdr *iph; const struct ipt_TTL_info *info = par->targinfo; @@ -66,7 +66,7 @@ ttl_tg(struct sk_buff *skb, const struct xt_target_param *par) } static unsigned int -hl_tg6(struct sk_buff *skb, const struct xt_target_param *par) +hl_tg6(struct sk_buff *skb, const struct xt_action_param *par) { struct ipv6hdr *ip6h; const struct ip6t_HL_info *info = par->targinfo; @@ -101,35 +101,33 @@ hl_tg6(struct sk_buff *skb, const struct xt_target_param *par) return XT_CONTINUE; } -static bool ttl_tg_check(const struct xt_tgchk_param *par) +static int ttl_tg_check(const struct xt_tgchk_param *par) { const struct ipt_TTL_info *info = par->targinfo; if (info->mode > IPT_TTL_MAXMODE) { - printk(KERN_WARNING "ipt_TTL: invalid or unknown Mode %u\n", - info->mode); - return false; + pr_info("TTL: invalid or unknown mode %u\n", info->mode); + return -EINVAL; } if (info->mode != IPT_TTL_SET && info->ttl == 0) - return false; - return true; + return -EINVAL; + return 0; } -static bool hl_tg6_check(const struct xt_tgchk_param *par) +static int hl_tg6_check(const struct xt_tgchk_param *par) { const struct ip6t_HL_info *info = par->targinfo; if (info->mode > IP6T_HL_MAXMODE) { - printk(KERN_WARNING "ip6t_HL: invalid or unknown Mode %u\n", - info->mode); - return false; + pr_info("invalid or unknown mode %u\n", info->mode); + return -EINVAL; } if (info->mode != IP6T_HL_SET && info->hop_limit == 0) { - printk(KERN_WARNING "ip6t_HL: increment/decrement doesn't " + pr_info("increment/decrement does not " "make sense with value 0\n"); - return false; + return -EINVAL; } - return true; + return 0; } static struct xt_target hl_tg_reg[] __read_mostly = { |