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authorLinus Torvalds <torvalds@linux-foundation.org>2010-05-20 21:04:44 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-05-20 21:04:44 -0700
commitf8965467f366fd18f01feafb5db10512d7b4422c (patch)
tree3706a9cd779859271ca61b85c63a1bc3f82d626e /net/netfilter/xt_limit.c
parentMerge branch 'docs-next' of git://git.lwn.net/linux-2.6 (diff)
parentMerge branch 'master' of /home/davem/src/GIT/linux-2.6/ (diff)
downloadwireguard-linux-f8965467f366fd18f01feafb5db10512d7b4422c.tar.xz
wireguard-linux-f8965467f366fd18f01feafb5db10512d7b4422c.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1674 commits) qlcnic: adding co maintainer ixgbe: add support for active DA cables ixgbe: dcb, do not tag tc_prio_control frames ixgbe: fix ixgbe_tx_is_paused logic ixgbe: always enable vlan strip/insert when DCB is enabled ixgbe: remove some redundant code in setting FCoE FIP filter ixgbe: fix wrong offset to fc_frame_header in ixgbe_fcoe_ddp ixgbe: fix header len when unsplit packet overflows to data buffer ipv6: Never schedule DAD timer on dead address ipv6: Use POSTDAD state ipv6: Use state_lock to protect ifa state ipv6: Replace inet6_ifaddr->dead with state cxgb4: notify upper drivers if the device is already up when they load cxgb4: keep interrupts available when the ports are brought down cxgb4: fix initial addition of MAC address cnic: Return SPQ credit to bnx2x after ring setup and shutdown. cnic: Convert cnic_local_flags to atomic ops. can: Fix SJA1000 command register writes on SMP systems bridge: fix build for CONFIG_SYSFS disabled ARCNET: Limit com20020 PCI ID matches for SOHARD cards ... Fix up various conflicts with pcmcia tree drivers/net/ {pcmcia/3c589_cs.c, wireless/orinoco/orinoco_cs.c and wireless/orinoco/spectrum_cs.c} and feature removal (Documentation/feature-removal-schedule.txt). Also fix a non-content conflict due to pm_qos_requirement getting renamed in the PM tree (now pm_qos_request) in net/mac80211/scan.c
Diffstat (limited to 'net/netfilter/xt_limit.c')
-rw-r--r--net/netfilter/xt_limit.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/net/netfilter/xt_limit.c b/net/netfilter/xt_limit.c
index e5d7e1ffb1a4..32b7a579a032 100644
--- a/net/netfilter/xt_limit.c
+++ b/net/netfilter/xt_limit.c
@@ -5,6 +5,7 @@
* 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/slab.h>
#include <linux/module.h>
@@ -64,7 +65,7 @@ static DEFINE_SPINLOCK(limit_lock);
#define CREDITS_PER_JIFFY POW2_BELOW32(MAX_CPJ)
static bool
-limit_mt(const struct sk_buff *skb, const struct xt_match_param *par)
+limit_mt(const struct sk_buff *skb, struct xt_action_param *par)
{
const struct xt_rateinfo *r = par->matchinfo;
struct xt_limit_priv *priv = r->master;
@@ -98,7 +99,7 @@ user2credits(u_int32_t user)
return (user * HZ * CREDITS_PER_JIFFY) / XT_LIMIT_SCALE;
}
-static bool limit_mt_check(const struct xt_mtchk_param *par)
+static int limit_mt_check(const struct xt_mtchk_param *par)
{
struct xt_rateinfo *r = par->matchinfo;
struct xt_limit_priv *priv;
@@ -106,14 +107,14 @@ static bool limit_mt_check(const struct xt_mtchk_param *par)
/* Check for overflow. */
if (r->burst == 0
|| user2credits(r->avg * r->burst) < user2credits(r->avg)) {
- printk("Overflow in xt_limit, try lower: %u/%u\n",
- r->avg, r->burst);
- return false;
+ pr_info("Overflow, try lower: %u/%u\n",
+ r->avg, r->burst);
+ return -ERANGE;
}
priv = kmalloc(sizeof(*priv), GFP_KERNEL);
if (priv == NULL)
- return false;
+ return -ENOMEM;
/* For SMP, we only want to use one set of state. */
r->master = priv;
@@ -125,7 +126,7 @@ static bool limit_mt_check(const struct xt_mtchk_param *par)
r->credit_cap = user2credits(r->avg * r->burst); /* Credits full. */
r->cost = user2credits(r->avg);
}
- return true;
+ return 0;
}
static void limit_mt_destroy(const struct xt_mtdtor_param *par)