[NET]: kfree cleanup
From: Jesper Juhl <jesper.juhl@gmail.com>
This is the net/ part of the big kfree cleanup patch.
Remove pointless checks for NULL prior to calling kfree() in net/.
Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Arnaldo Carvalho de Melo <acme@conectiva.com.br>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
diff --git a/net/802/p8023.c b/net/802/p8023.c
index 6368d3d..d23e906 100644
--- a/net/802/p8023.c
+++ b/net/802/p8023.c
@@ -54,8 +54,7 @@
*/
void destroy_8023_client(struct datalink_proto *dl)
{
- if (dl)
- kfree(dl);
+ kfree(dl);
}
EXPORT_SYMBOL(destroy_8023_client);
diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c
index 8e37e71..1b683f3 100644
--- a/net/ax25/af_ax25.c
+++ b/net/ax25/af_ax25.c
@@ -1138,10 +1138,8 @@
sk->sk_state = TCP_CLOSE;
sock->state = SS_UNCONNECTED;
- if (ax25->digipeat != NULL) {
- kfree(ax25->digipeat);
- ax25->digipeat = NULL;
- }
+ kfree(ax25->digipeat);
+ ax25->digipeat = NULL;
/*
* Handle digi-peaters to be used.
diff --git a/net/ax25/ax25_in.c b/net/ax25/ax25_in.c
index 73cfc34..4cf8754 100644
--- a/net/ax25/ax25_in.c
+++ b/net/ax25/ax25_in.c
@@ -401,10 +401,8 @@
}
if (dp.ndigi == 0) {
- if (ax25->digipeat != NULL) {
- kfree(ax25->digipeat);
- ax25->digipeat = NULL;
- }
+ kfree(ax25->digipeat);
+ ax25->digipeat = NULL;
} else {
/* Reverse the source SABM's path */
memcpy(ax25->digipeat, &reverse_dp, sizeof(ax25_digi));
diff --git a/net/ax25/ax25_route.c b/net/ax25/ax25_route.c
index 26b77d9..b1e945bd 100644
--- a/net/ax25/ax25_route.c
+++ b/net/ax25/ax25_route.c
@@ -54,15 +54,13 @@
if (s->dev == dev) {
if (ax25_route_list == s) {
ax25_route_list = s->next;
- if (s->digipeat != NULL)
- kfree(s->digipeat);
+ kfree(s->digipeat);
kfree(s);
} else {
for (t = ax25_route_list; t != NULL; t = t->next) {
if (t->next == s) {
t->next = s->next;
- if (s->digipeat != NULL)
- kfree(s->digipeat);
+ kfree(s->digipeat);
kfree(s);
break;
}
@@ -90,10 +88,8 @@
while (ax25_rt != NULL) {
if (ax25cmp(&ax25_rt->callsign, &route->dest_addr) == 0 &&
ax25_rt->dev == ax25_dev->dev) {
- if (ax25_rt->digipeat != NULL) {
- kfree(ax25_rt->digipeat);
- ax25_rt->digipeat = NULL;
- }
+ kfree(ax25_rt->digipeat);
+ ax25_rt->digipeat = NULL;
if (route->digi_count != 0) {
if ((ax25_rt->digipeat = kmalloc(sizeof(ax25_digi), GFP_ATOMIC)) == NULL) {
write_unlock(&ax25_route_lock);
@@ -145,8 +141,7 @@
static void ax25_rt_destroy(ax25_route *ax25_rt)
{
if (atomic_read(&ax25_rt->ref) == 0) {
- if (ax25_rt->digipeat != NULL)
- kfree(ax25_rt->digipeat);
+ kfree(ax25_rt->digipeat);
kfree(ax25_rt);
return;
}
@@ -530,9 +525,7 @@
s = ax25_rt;
ax25_rt = ax25_rt->next;
- if (s->digipeat != NULL)
- kfree(s->digipeat);
-
+ kfree(s->digipeat);
kfree(s);
}
write_unlock(&ax25_route_lock);
diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
index 860444a..cdb9cfa 100644
--- a/net/bluetooth/hidp/core.c
+++ b/net/bluetooth/hidp/core.c
@@ -660,9 +660,7 @@
failed:
up_write(&hidp_session_sem);
- if (session->input)
- kfree(session->input);
-
+ kfree(session->input);
kfree(session);
return err;
}
diff --git a/net/core/dev_mcast.c b/net/core/dev_mcast.c
index db098ff..cb530ee 100644
--- a/net/core/dev_mcast.c
+++ b/net/core/dev_mcast.c
@@ -194,8 +194,7 @@
done:
spin_unlock_bh(&dev->xmit_lock);
- if (dmi1)
- kfree(dmi1);
+ kfree(dmi1);
return err;
}
diff --git a/net/core/sock.c b/net/core/sock.c
index 9602ceb..13cc3be 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1242,8 +1242,7 @@
static void sock_def_destruct(struct sock *sk)
{
- if (sk->sk_protinfo)
- kfree(sk->sk_protinfo);
+ kfree(sk->sk_protinfo);
}
void sk_send_sigurg(struct sock *sk)
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index 4b9bc81..ca03521 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -1263,10 +1263,8 @@
if (inet_csk(sk)->icsk_bind_hash != NULL)
inet_put_port(&dccp_hashinfo, sk);
- if (dp->dccps_service_list != NULL) {
- kfree(dp->dccps_service_list);
- dp->dccps_service_list = NULL;
- }
+ kfree(dp->dccps_service_list);
+ dp->dccps_service_list = NULL;
ccid_hc_rx_exit(dp->dccps_hc_rx_ccid, sk);
ccid_hc_tx_exit(dp->dccps_hc_tx_ccid, sk);
diff --git a/net/dccp/proto.c b/net/dccp/proto.c
index a021c34..e0ace7c 100644
--- a/net/dccp/proto.c
+++ b/net/dccp/proto.c
@@ -238,8 +238,7 @@
lock_sock(sk);
dp->dccps_service = service;
- if (dp->dccps_service_list != NULL)
- kfree(dp->dccps_service_list);
+ kfree(dp->dccps_service_list);
dp->dccps_service_list = sl;
release_sock(sk);
diff --git a/net/decnet/dn_table.c b/net/decnet/dn_table.c
index eeba56f..6f8b565 100644
--- a/net/decnet/dn_table.c
+++ b/net/decnet/dn_table.c
@@ -784,16 +784,14 @@
static void dn_fib_del_tree(int n)
{
- struct dn_fib_table *t;
+ struct dn_fib_table *t;
- write_lock(&dn_fib_tables_lock);
- t = dn_fib_tables[n];
- dn_fib_tables[n] = NULL;
- write_unlock(&dn_fib_tables_lock);
+ write_lock(&dn_fib_tables_lock);
+ t = dn_fib_tables[n];
+ dn_fib_tables[n] = NULL;
+ write_unlock(&dn_fib_tables_lock);
- if (t) {
- kfree(t);
- }
+ kfree(t);
}
struct dn_fib_table *dn_fib_empty_table(void)
diff --git a/net/ethernet/pe2.c b/net/ethernet/pe2.c
index 98a494b..9d57b4f 100644
--- a/net/ethernet/pe2.c
+++ b/net/ethernet/pe2.c
@@ -32,8 +32,7 @@
void destroy_EII_client(struct datalink_proto *dl)
{
- if (dl)
- kfree(dl);
+ kfree(dl);
}
EXPORT_SYMBOL(destroy_EII_client);
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index a9d84f9..eaa150c 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -147,8 +147,7 @@
BUG_TRAP(!sk->sk_wmem_queued);
BUG_TRAP(!sk->sk_forward_alloc);
- if (inet->opt)
- kfree(inet->opt);
+ kfree(inet->opt);
dst_release(sk->sk_dst_cache);
sk_refcnt_debug_dec(sk);
}
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 990633c..2267c1f 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -266,8 +266,7 @@
if (tb)
err = tb->tb_insert(tb, &req.rtm, &rta, &req.nlh, NULL);
}
- if (rta.rta_mx)
- kfree(rta.rta_mx);
+ kfree(rta.rta_mx);
}
rtnl_unlock();
return err;
diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c
index bce4e87..dbe12da 100644
--- a/net/ipv4/ip_options.c
+++ b/net/ipv4/ip_options.c
@@ -510,8 +510,7 @@
kfree(opt);
return -EINVAL;
}
- if (*optp)
- kfree(*optp);
+ kfree(*optp);
*optp = opt;
return 0;
}
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 1775823..df7f20d 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -1262,10 +1262,8 @@
out:
inet->cork.flags &= ~IPCORK_OPT;
- if (inet->cork.opt) {
- kfree(inet->cork.opt);
- inet->cork.opt = NULL;
- }
+ kfree(inet->cork.opt);
+ inet->cork.opt = NULL;
if (inet->cork.rt) {
ip_rt_put(inet->cork.rt);
inet->cork.rt = NULL;
@@ -1289,10 +1287,8 @@
kfree_skb(skb);
inet->cork.flags &= ~IPCORK_OPT;
- if (inet->cork.opt) {
- kfree(inet->cork.opt);
- inet->cork.opt = NULL;
- }
+ kfree(inet->cork.opt);
+ inet->cork.opt = NULL;
if (inet->cork.rt) {
ip_rt_put(inet->cork.rt);
inet->cork.rt = NULL;
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index 2f0b47d..4f2d872 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -202,8 +202,7 @@
if (ra->sk == sk) {
if (on) {
write_unlock_bh(&ip_ra_lock);
- if (new_ra)
- kfree(new_ra);
+ kfree(new_ra);
return -EADDRINUSE;
}
*rap = ra->next;
@@ -446,8 +445,7 @@
#endif
}
opt = xchg(&inet->opt, opt);
- if (opt)
- kfree(opt);
+ kfree(opt);
break;
}
case IP_PKTINFO:
@@ -828,10 +826,8 @@
err = ip_mc_msfilter(sk, msf, ifindex);
mc_msf_out:
- if (msf)
- kfree(msf);
- if (gsf)
- kfree(gsf);
+ kfree(msf);
+ kfree(gsf);
break;
}
case IP_ROUTER_ALERT:
diff --git a/net/ipv4/ipvs/ip_vs_app.c b/net/ipv4/ipvs/ip_vs_app.c
index fc6f95a..d7eb680 100644
--- a/net/ipv4/ipvs/ip_vs_app.c
+++ b/net/ipv4/ipvs/ip_vs_app.c
@@ -110,8 +110,7 @@
return 0;
out:
- if (inc->timeout_table)
- kfree(inc->timeout_table);
+ kfree(inc->timeout_table);
kfree(inc);
return ret;
}
@@ -136,8 +135,7 @@
list_del(&inc->a_list);
- if (inc->timeout_table != NULL)
- kfree(inc->timeout_table);
+ kfree(inc->timeout_table);
kfree(inc);
}
diff --git a/net/ipv4/multipath_wrandom.c b/net/ipv4/multipath_wrandom.c
index bd7d75b..d34a9fa 100644
--- a/net/ipv4/multipath_wrandom.c
+++ b/net/ipv4/multipath_wrandom.c
@@ -207,16 +207,12 @@
decision = mpc->rt;
last_power = mpc->power;
- if (last_mpc)
- kfree(last_mpc);
-
+ kfree(last_mpc);
last_mpc = mpc;
}
- if (last_mpc) {
- /* concurrent __multipath_flush may lead to !last_mpc */
- kfree(last_mpc);
- }
+ /* concurrent __multipath_flush may lead to !last_mpc */
+ kfree(last_mpc);
decision->u.dst.__use++;
*rp = decision;
diff --git a/net/ipv4/netfilter/ip_nat_snmp_basic.c b/net/ipv4/netfilter/ip_nat_snmp_basic.c
index 93b2c51..8acb7ed 100644
--- a/net/ipv4/netfilter/ip_nat_snmp_basic.c
+++ b/net/ipv4/netfilter/ip_nat_snmp_basic.c
@@ -1161,8 +1161,7 @@
if (!snmp_object_decode(&ctx, obj)) {
if (*obj) {
- if ((*obj)->id)
- kfree((*obj)->id);
+ kfree((*obj)->id);
kfree(*obj);
}
kfree(obj);
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 49d67cd..634dabb 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -823,8 +823,7 @@
*/
static void tcp_v4_reqsk_destructor(struct request_sock *req)
{
- if (inet_rsk(req)->opt)
- kfree(inet_rsk(req)->opt);
+ kfree(inet_rsk(req)->opt);
}
static inline void syn_flood_warning(struct sk_buff *skb)
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index a34d150..b7a5f51 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -3090,8 +3090,7 @@
nlmsg_failure:
rtattr_failure:
- if (array)
- kfree(array);
+ kfree(array);
skb_trim(skb, b - skb->data);
return -1;
}
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 614296a..dbd9767 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -587,8 +587,7 @@
skb->next = NULL;
}
- if (tmp_hdr)
- kfree(tmp_hdr);
+ kfree(tmp_hdr);
if (err == 0) {
IP6_INC_STATS(IPSTATS_MIB_FRAGOKS);
@@ -1186,10 +1185,8 @@
out:
inet->cork.flags &= ~IPCORK_OPT;
- if (np->cork.opt) {
- kfree(np->cork.opt);
- np->cork.opt = NULL;
- }
+ kfree(np->cork.opt);
+ np->cork.opt = NULL;
if (np->cork.rt) {
dst_release(&np->cork.rt->u.dst);
np->cork.rt = NULL;
@@ -1214,10 +1211,8 @@
inet->cork.flags &= ~IPCORK_OPT;
- if (np->cork.opt) {
- kfree(np->cork.opt);
- np->cork.opt = NULL;
- }
+ kfree(np->cork.opt);
+ np->cork.opt = NULL;
if (np->cork.rt) {
dst_release(&np->cork.rt->u.dst);
np->cork.rt = NULL;
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index cf94372..e6b0e39 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -756,8 +756,7 @@
}
ip6_tnl_dst_store(t, dst);
- if (opt)
- kfree(opt);
+ kfree(opt);
t->recursion--;
return 0;
@@ -766,8 +765,7 @@
dst_link_failure(skb);
tx_err_dst_release:
dst_release(dst);
- if (opt)
- kfree(opt);
+ kfree(opt);
tx_err:
stats->tx_errors++;
stats->tx_dropped++;
diff --git a/net/ipv6/ipcomp6.c b/net/ipv6/ipcomp6.c
index 85bfbc6..55917fb 100644
--- a/net/ipv6/ipcomp6.c
+++ b/net/ipv6/ipcomp6.c
@@ -130,8 +130,7 @@
out_put_cpu:
put_cpu();
out:
- if (tmp_hdr)
- kfree(tmp_hdr);
+ kfree(tmp_hdr);
if (err)
goto error_out;
return nexthdr;
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 8567873..003fd99 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -80,8 +80,7 @@
if (ra->sk == sk) {
if (sel>=0) {
write_unlock_bh(&ip6_ra_lock);
- if (new_ra)
- kfree(new_ra);
+ kfree(new_ra);
return -EADDRINUSE;
}
diff --git a/net/irda/discovery.c b/net/irda/discovery.c
index c4ba5fa..3fefc82 100644
--- a/net/irda/discovery.c
+++ b/net/irda/discovery.c
@@ -194,8 +194,7 @@
/* Remove it from the log */
curr = hashbin_remove_this(log, (irda_queue_t *) curr);
- if (curr)
- kfree(curr);
+ kfree(curr);
}
}
diff --git a/net/irda/irias_object.c b/net/irda/irias_object.c
index 6fec428..75f2666 100644
--- a/net/irda/irias_object.c
+++ b/net/irda/irias_object.c
@@ -122,8 +122,7 @@
IRDA_ASSERT(attrib != NULL, return;);
IRDA_ASSERT(attrib->magic == IAS_ATTRIB_MAGIC, return;);
- if (attrib->name)
- kfree(attrib->name);
+ kfree(attrib->name);
irias_delete_value(attrib->value);
attrib->magic = ~IAS_ATTRIB_MAGIC;
@@ -136,8 +135,7 @@
IRDA_ASSERT(obj != NULL, return;);
IRDA_ASSERT(obj->magic == IAS_OBJECT_MAGIC, return;);
- if (obj->name)
- kfree(obj->name);
+ kfree(obj->name);
hashbin_delete(obj->attribs, (FREE_FUNC) __irias_delete_attrib);
@@ -562,14 +560,12 @@
/* No need to deallocate */
break;
case IAS_STRING:
- /* If string, deallocate string */
- if (value->t.string != NULL)
- kfree(value->t.string);
+ /* Deallocate string */
+ kfree(value->t.string);
break;
case IAS_OCT_SEQ:
- /* If byte stream, deallocate byte stream */
- if (value->t.oct_seq != NULL)
- kfree(value->t.oct_seq);
+ /* Deallocate byte stream */
+ kfree(value->t.oct_seq);
break;
default:
IRDA_DEBUG(0, "%s(), Unknown value type!\n", __FUNCTION__);
diff --git a/net/rose/rose_route.c b/net/rose/rose_route.c
index b18fe50..8631b65 100644
--- a/net/rose/rose_route.c
+++ b/net/rose/rose_route.c
@@ -240,8 +240,7 @@
if ((s = rose_neigh_list) == rose_neigh) {
rose_neigh_list = rose_neigh->next;
spin_unlock_bh(&rose_neigh_list_lock);
- if (rose_neigh->digipeat != NULL)
- kfree(rose_neigh->digipeat);
+ kfree(rose_neigh->digipeat);
kfree(rose_neigh);
return;
}
@@ -250,8 +249,7 @@
if (s->next == rose_neigh) {
s->next = rose_neigh->next;
spin_unlock_bh(&rose_neigh_list_lock);
- if (rose_neigh->digipeat != NULL)
- kfree(rose_neigh->digipeat);
+ kfree(rose_neigh->digipeat);
kfree(rose_neigh);
return;
}
diff --git a/net/sched/cls_fw.c b/net/sched/cls_fw.c
index 29d8b9a..7547048 100644
--- a/net/sched/cls_fw.c
+++ b/net/sched/cls_fw.c
@@ -298,8 +298,7 @@
return 0;
errout:
- if (f)
- kfree(f);
+ kfree(f);
return err;
}
diff --git a/net/sched/cls_route.c b/net/sched/cls_route.c
index 02996ac..520ff71 100644
--- a/net/sched/cls_route.c
+++ b/net/sched/cls_route.c
@@ -525,8 +525,7 @@
return 0;
errout:
- if (f)
- kfree(f);
+ kfree(f);
return err;
}
diff --git a/net/sched/cls_rsvp.h b/net/sched/cls_rsvp.h
index 006168d..572f06b 100644
--- a/net/sched/cls_rsvp.h
+++ b/net/sched/cls_rsvp.h
@@ -555,8 +555,7 @@
goto insert;
errout:
- if (f)
- kfree(f);
+ kfree(f);
errout2:
tcf_exts_destroy(tp, &e);
return err;
diff --git a/net/sched/cls_tcindex.c b/net/sched/cls_tcindex.c
index 404d9d8..9f92117 100644
--- a/net/sched/cls_tcindex.c
+++ b/net/sched/cls_tcindex.c
@@ -194,8 +194,7 @@
}
tcf_unbind_filter(tp, &r->res);
tcf_exts_destroy(tp, &r->exts);
- if (f)
- kfree(f);
+ kfree(f);
return 0;
}
@@ -442,10 +441,8 @@
walker.skip = 0;
walker.fn = &tcindex_destroy_element;
tcindex_walk(tp,&walker);
- if (p->perfect)
- kfree(p->perfect);
- if (p->h)
- kfree(p->h);
+ kfree(p->perfect);
+ kfree(p->h);
kfree(p);
tp->root = NULL;
}
diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c
index 364b87d..2b67047 100644
--- a/net/sched/cls_u32.c
+++ b/net/sched/cls_u32.c
@@ -347,7 +347,7 @@
if (n->ht_down)
n->ht_down->refcnt--;
#ifdef CONFIG_CLS_U32_PERF
- if (n && (NULL != n->pf))
+ if (n)
kfree(n->pf);
#endif
kfree(n);
@@ -680,7 +680,7 @@
return 0;
}
#ifdef CONFIG_CLS_U32_PERF
- if (n && (NULL != n->pf))
+ if (n)
kfree(n->pf);
#endif
kfree(n);
diff --git a/net/sched/em_meta.c b/net/sched/em_meta.c
index cf68a59..700844d 100644
--- a/net/sched/em_meta.c
+++ b/net/sched/em_meta.c
@@ -561,8 +561,7 @@
static void meta_var_destroy(struct meta_value *v)
{
- if (v->val)
- kfree((void *) v->val);
+ kfree((void *) v->val);
}
static void meta_var_apply_extras(struct meta_value *v,
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index 12b0f58..8c8ddf7 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -344,9 +344,7 @@
}
/* Free peer's cached cookie. */
- if (asoc->peer.cookie) {
- kfree(asoc->peer.cookie);
- }
+ kfree(asoc->peer.cookie);
/* Release the transport structures. */
list_for_each_safe(pos, temp, &asoc->peer.transport_addr_list) {
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 660c61b..f9573eb 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -254,8 +254,7 @@
aiparam.adaption_ind = htonl(sp->adaption_ind);
sctp_addto_chunk(retval, sizeof(aiparam), &aiparam);
nodata:
- if (addrs.v)
- kfree(addrs.v);
+ kfree(addrs.v);
return retval;
}
@@ -347,8 +346,7 @@
nomem_chunk:
kfree(cookie);
nomem_cookie:
- if (addrs.v)
- kfree(addrs.v);
+ kfree(addrs.v);
return retval;
}
diff --git a/net/sunrpc/auth_gss/gss_krb5_seal.c b/net/sunrpc/auth_gss/gss_krb5_seal.c
index 13f8ae9..d0dfdfd 100644
--- a/net/sunrpc/auth_gss/gss_krb5_seal.c
+++ b/net/sunrpc/auth_gss/gss_krb5_seal.c
@@ -143,6 +143,6 @@
return ((ctx->endtime < now) ? GSS_S_CONTEXT_EXPIRED : GSS_S_COMPLETE);
out_err:
- if (md5cksum.data) kfree(md5cksum.data);
+ kfree(md5cksum.data);
return GSS_S_FAILURE;
}
diff --git a/net/sunrpc/auth_gss/gss_krb5_unseal.c b/net/sunrpc/auth_gss/gss_krb5_unseal.c
index 2030475..db055fd 100644
--- a/net/sunrpc/auth_gss/gss_krb5_unseal.c
+++ b/net/sunrpc/auth_gss/gss_krb5_unseal.c
@@ -176,6 +176,6 @@
ret = GSS_S_COMPLETE;
out:
- if (md5cksum.data) kfree(md5cksum.data);
+ kfree(md5cksum.data);
return ret;
}
diff --git a/net/sunrpc/auth_gss/gss_mech_switch.c b/net/sunrpc/auth_gss/gss_mech_switch.c
index b048bf67..f8bac6c 100644
--- a/net/sunrpc/auth_gss/gss_mech_switch.c
+++ b/net/sunrpc/auth_gss/gss_mech_switch.c
@@ -60,8 +60,7 @@
for (i = 0; i < gm->gm_pf_num; i++) {
pf = &gm->gm_pfs[i];
- if (pf->auth_domain_name)
- kfree(pf->auth_domain_name);
+ kfree(pf->auth_domain_name);
pf->auth_domain_name = NULL;
}
}
diff --git a/net/sunrpc/auth_gss/gss_spkm3_seal.c b/net/sunrpc/auth_gss/gss_spkm3_seal.c
index 148201e..d1e12b2 100644
--- a/net/sunrpc/auth_gss/gss_spkm3_seal.c
+++ b/net/sunrpc/auth_gss/gss_spkm3_seal.c
@@ -122,8 +122,7 @@
return GSS_S_COMPLETE;
out_err:
- if (md5cksum.data)
- kfree(md5cksum.data);
+ kfree(md5cksum.data);
token->data = NULL;
token->len = 0;
return GSS_S_FAILURE;
diff --git a/net/sunrpc/auth_gss/gss_spkm3_token.c b/net/sunrpc/auth_gss/gss_spkm3_token.c
index 46c08a0..1f82457 100644
--- a/net/sunrpc/auth_gss/gss_spkm3_token.c
+++ b/net/sunrpc/auth_gss/gss_spkm3_token.c
@@ -259,8 +259,7 @@
ret = GSS_S_COMPLETE;
out:
- if (spkm3_ctx_id.data)
- kfree(spkm3_ctx_id.data);
+ kfree(spkm3_ctx_id.data);
return ret;
}
diff --git a/net/sunrpc/auth_gss/gss_spkm3_unseal.c b/net/sunrpc/auth_gss/gss_spkm3_unseal.c
index c3c0d95..241d5b3 100644
--- a/net/sunrpc/auth_gss/gss_spkm3_unseal.c
+++ b/net/sunrpc/auth_gss/gss_spkm3_unseal.c
@@ -120,9 +120,7 @@
/* XXX: need to add expiration and sequencing */
ret = GSS_S_COMPLETE;
out:
- if (md5cksum.data)
- kfree(md5cksum.data);
- if (wire_cksum.data)
- kfree(wire_cksum.data);
+ kfree(md5cksum.data);
+ kfree(wire_cksum.data);
return ret;
}
diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
index 5a220b2..e4296c8 100644
--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c
@@ -196,12 +196,9 @@
struct svc_serv *serv = rqstp->rq_server;
svc_release_buffer(rqstp);
- if (rqstp->rq_resp)
- kfree(rqstp->rq_resp);
- if (rqstp->rq_argp)
- kfree(rqstp->rq_argp);
- if (rqstp->rq_auth_data)
- kfree(rqstp->rq_auth_data);
+ kfree(rqstp->rq_resp);
+ kfree(rqstp->rq_argp);
+ kfree(rqstp->rq_auth_data);
kfree(rqstp);
/* Release the server */
diff --git a/net/sunrpc/xdr.c b/net/sunrpc/xdr.c
index 32df433..aaf08cdd 100644
--- a/net/sunrpc/xdr.c
+++ b/net/sunrpc/xdr.c
@@ -992,8 +992,7 @@
err = 0;
out:
- if (elem)
- kfree(elem);
+ kfree(elem);
if (ppages)
kunmap(*ppages);
return err;
diff --git a/net/wanrouter/af_wanpipe.c b/net/wanrouter/af_wanpipe.c
index 596cb96..59fec59 100644
--- a/net/wanrouter/af_wanpipe.c
+++ b/net/wanrouter/af_wanpipe.c
@@ -1099,7 +1099,7 @@
sock_reset_flag(sk, SOCK_ZAPPED);
wp = wp_sk(sk);
- if (wp && wp->mbox) {
+ if (wp) {
kfree(wp->mbox);
wp->mbox = NULL;
}
@@ -1186,10 +1186,8 @@
return;
}
- if (wp_sk(sk)) {
- kfree(wp_sk(sk));
- wp_sk(sk) = NULL;
- }
+ kfree(wp_sk(sk));
+ wp_sk(sk) = NULL;
if (atomic_read(&sk->sk_refcnt) != 1) {
atomic_set(&sk->sk_refcnt, 1);
@@ -1219,10 +1217,8 @@
sk->sk_socket = NULL;
- if (wp_sk(sk)) {
- kfree(wp_sk(sk));
- wp_sk(sk) = NULL;
- }
+ kfree(wp_sk(sk));
+ wp_sk(sk) = NULL;
if (atomic_read(&sk->sk_refcnt) != 1) {
atomic_set(&sk->sk_refcnt, 1);
@@ -1243,10 +1239,8 @@
sk->sk_socket = NULL;
- if (wp_sk(sk)) {
- kfree(wp_sk(sk));
- wp_sk(sk) = NULL;
- }
+ kfree(wp_sk(sk));
+ wp_sk(sk) = NULL;
if (atomic_read(&sk->sk_refcnt) != 1) {
atomic_set(&sk->sk_refcnt, 1);
diff --git a/net/wanrouter/wanmain.c b/net/wanrouter/wanmain.c
index 13b650a..bcf7b3f 100644
--- a/net/wanrouter/wanmain.c
+++ b/net/wanrouter/wanmain.c
@@ -714,10 +714,8 @@
}
/* This code has moved from del_if() function */
- if (dev->priv) {
- kfree(dev->priv);
- dev->priv = NULL;
- }
+ kfree(dev->priv);
+ dev->priv = NULL;
#ifdef CONFIG_WANPIPE_MULTPPP
if (cnf->config_id == WANCONFIG_MPPP)
@@ -851,10 +849,8 @@
/* Due to new interface linking method using dev->priv,
* this code has moved from del_if() function.*/
- if (dev->priv){
- kfree(dev->priv);
- dev->priv=NULL;
- }
+ kfree(dev->priv);
+ dev->priv=NULL;
unregister_netdev(dev);
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index 8b9a474..7cf48aa 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -62,14 +62,10 @@
{
if (del_timer(&x->timer))
BUG();
- if (x->aalg)
- kfree(x->aalg);
- if (x->ealg)
- kfree(x->ealg);
- if (x->calg)
- kfree(x->calg);
- if (x->encap)
- kfree(x->encap);
+ kfree(x->aalg);
+ kfree(x->ealg);
+ kfree(x->calg);
+ kfree(x->encap);
if (x->type) {
x->type->destructor(x);
xfrm_put_type(x->type);