net: use the new API kvfree()

It is available since v3.15-rc5.

Cc: Pablo Neira Ayuso <pablo@netfilter.org>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

11 files changed, 12 insertions, 58 deletions

diff --git a/net/core/dev.c b/net/core/dev.c
index 5367bfba0947..a9a08e4a4857 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -5933,10 +5933,7 @@ static void netdev_init_one_queue(struct net_device *dev,
 
 static void netif_free_tx_queues(struct net_device *dev)
 {
-        if (is_vmalloc_addr(dev->_tx))
-                vfree(dev->_tx);
-        else
-                kfree(dev->_tx);
+        kvfree(dev->_tx);
 }
 
 static int netif_alloc_netdev_queues(struct net_device *dev)
@@ -6410,10 +6407,7 @@ void netdev_freemem(struct net_device *dev)
 {
         char *addr = (char *)dev - dev->padded;
 
-        if (is_vmalloc_addr(addr))
-                vfree(addr);
-        else
-                kfree(addr);
+        kvfree(addr);
 }
 
 /**
diff --git a/net/ipv4/tcp_metrics.c b/net/ipv4/tcp_metrics.c
index dcaf72f10216..4fe041805989 100644
--- a/net/ipv4/tcp_metrics.c
+++ b/net/ipv4/tcp_metrics.c
@@ -1159,10 +1159,7 @@ static void __net_exit tcp_net_metrics_exit(struct net *net)
                         tm = next;
                 }
         }
-        if (is_vmalloc_addr(net->ipv4.tcp_metrics_hash))
-                vfree(net->ipv4.tcp_metrics_hash);
-        else
-                kfree(net->ipv4.tcp_metrics_hash);
+        kvfree(net->ipv4.tcp_metrics_hash);
 }
 
 static __net_initdata struct pernet_operations tcp_net_metrics_ops = {
diff --git a/net/netfilter/ipset/ip_set_core.c b/net/netfilter/ipset/ip_set_core.c
index 117208321f16..ec8114fae50b 100644
--- a/net/netfilter/ipset/ip_set_core.c
+++ b/net/netfilter/ipset/ip_set_core.c
@@ -271,10 +271,7 @@ ip_set_free(void *members)
 {
         pr_debug("%p: free with %s\n", members,
                  is_vmalloc_addr(members) ? "vfree" : "kfree");
-        if (is_vmalloc_addr(members))
-                vfree(members);
-        else
-                kfree(members);
+        kvfree(members);
 }
 EXPORT_SYMBOL_GPL(ip_set_free);
 
diff --git a/net/netfilter/nft_hash.c b/net/netfilter/nft_hash.c
index 1dfeb6786832..4080ed6a072b 100644
--- a/net/netfilter/nft_hash.c
+++ b/net/netfilter/nft_hash.c
@@ -76,10 +76,7 @@ static bool nft_hash_lookup(const struct nft_set *set,
 
 static void nft_hash_tbl_free(const struct nft_hash_table *tbl)
 {
-        if (is_vmalloc_addr(tbl))
-                vfree(tbl);
-        else
-                kfree(tbl);
+        kvfree(tbl);
 }
 
 static unsigned int nft_hash_tbl_size(unsigned int nelem)
diff --git a/net/netfilter/xt_recent.c b/net/netfilter/xt_recent.c
index 1e657cf715c4..a9faae89f955 100644
--- a/net/netfilter/xt_recent.c
+++ b/net/netfilter/xt_recent.c
@@ -313,10 +313,7 @@ out:
 
 static void recent_table_free(void *addr)
 {
-        if (is_vmalloc_addr(addr))
-                vfree(addr);
-        else
-                kfree(addr);
+        kvfree(addr);
 }
 
 static int recent_mt_check(const struct xt_mtchk_param *par,
diff --git a/net/sched/sch_choke.c b/net/sched/sch_choke.c
index 2aee02802c27..ed30e436128b 100644
--- a/net/sched/sch_choke.c
+++ b/net/sched/sch_choke.c
@@ -391,12 +391,7 @@ static const struct nla_policy choke_policy[TCA_CHOKE_MAX + 1] = {
 
 static void choke_free(void *addr)
 {
-        if (addr) {
-                if (is_vmalloc_addr(addr))
-                        vfree(addr);
-                else
-                        kfree(addr);
-        }
+        kvfree(addr);
 }
 
 static int choke_change(struct Qdisc *sch, struct nlattr *opt)
diff --git a/net/sched/sch_fq.c b/net/sched/sch_fq.c
index 23c682b42f99..ba32c2b005d0 100644
--- a/net/sched/sch_fq.c
+++ b/net/sched/sch_fq.c
@@ -591,10 +591,7 @@ static void *fq_alloc_node(size_t sz, int node)
 
 static void fq_free(void *addr)
 {
-        if (addr && is_vmalloc_addr(addr))
-                vfree(addr);
-        else
-                kfree(addr);
+        kvfree(addr);
 }
 
 static int fq_resize(struct Qdisc *sch, u32 log)
diff --git a/net/sched/sch_fq_codel.c b/net/sched/sch_fq_codel.c
index 0bf432c782c1..063b726bf1f8 100644
--- a/net/sched/sch_fq_codel.c
+++ b/net/sched/sch_fq_codel.c
@@ -365,12 +365,7 @@ static void *fq_codel_zalloc(size_t sz)
 
 static void fq_codel_free(void *addr)
 {
-        if (addr) {
-                if (is_vmalloc_addr(addr))
-                        vfree(addr);
-                else
-                        kfree(addr);
-        }
+        kvfree(addr);
 }
 
 static void fq_codel_destroy(struct Qdisc *sch)
diff --git a/net/sched/sch_hhf.c b/net/sched/sch_hhf.c
index 6aab8619bbb0..d85b6812a7d4 100644
--- a/net/sched/sch_hhf.c
+++ b/net/sched/sch_hhf.c
@@ -494,12 +494,7 @@ static void *hhf_zalloc(size_t sz)
 
 static void hhf_free(void *addr)
 {
-        if (addr) {
-                if (is_vmalloc_addr(addr))
-                        vfree(addr);
-                else
-                        kfree(addr);
-        }
+        kvfree(addr);
 }
 
 static void hhf_destroy(struct Qdisc *sch)
diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index f1669a00f571..111d70fddaea 100644
--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -648,12 +648,7 @@ static void netem_reset(struct Qdisc *sch)
 
 static void dist_free(struct disttable *d)
 {
-        if (d) {
-                if (is_vmalloc_addr(d))
-                        vfree(d);
-                else
-                        kfree(d);
-        }
+        kvfree(d);
 }
 
 /*
diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c
index 87317ff0b4ec..1af2f73906d0 100644
--- a/net/sched/sch_sfq.c
+++ b/net/sched/sch_sfq.c
@@ -716,12 +716,7 @@ static void *sfq_alloc(size_t sz)
 
 static void sfq_free(void *addr)
 {
-        if (addr) {
-                if (is_vmalloc_addr(addr))
-                        vfree(addr);
-                else
-                        kfree(addr);
-        }
+        kvfree(addr);
 }
 
 static void sfq_destroy(struct Qdisc *sch)