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Date: Tue, 22 Jan 2008 18:56:32 +0900 (JST)
From: YOSHIFUJI Hideaki / 吉藤英明
<yoshfuji@...ux-ipv6.org>
To: davem@...emloft.net
Cc: yoshfuji@...ux-ipv6.org, netdev@...r.kernel.org
Subject: [GIT PULL] [IPV6,IPV4]: Fix several sparse warnings.
Dave, please consider pulling following changes on top of net-2.6.25 tree:
git://git.linux-ipv6.org/gitroot/yoshfuji/linux-2.6-dev.git net-2.6-dev-20080122
Thank you.
HEADLINES
---------
[IPV4] UDP,UDPLITE: Sparse: {__udp4_lib,udp,udplite}_err() are of void.
[IPV6] UDP,UDPLITE: Sparse: {__udp6_lib,udp,udplite}_err() are of void.
[IPV6] UDPLITE: Sparse: Declare non-static symbols in header.
[IPV6] ADDRLABEL: Sparse: Make several functions static.
[IPV6]: Sparse: Declare non-static ipv6_{route,icmp,frag}_sysctl_init() in header.
[IPV6] ADDRCONF: Sparse: Make inet6_dump_addr() code paths more straight-forward.
[IPV6] NDISC: Sparse: Use different variable name for local use.
DIFFSTAT
--------
include/net/ipv6.h | 4 ++++
net/ipv4/udp.c | 2 +-
net/ipv4/udplite.c | 2 +-
net/ipv6/addrconf.c | 38 ++++++++++++++++++--------------------
net/ipv6/addrlabel.c | 20 ++++++++++----------
net/ipv6/af_inet6.c | 2 --
net/ipv6/ndisc.c | 10 +++++-----
net/ipv6/sysctl_net_ipv6.c | 3 ---
net/ipv6/udp.c | 2 +-
net/ipv6/udp_impl.h | 1 +
net/ipv6/udplite.c | 2 +-
11 files changed, 42 insertions(+), 44 deletions(-)
CHANGESETS
----------
commit 9c14555fec7d209c90ae5079c59dc9a338620fd7
Author: YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>
Date: Tue Jan 22 17:05:31 2008 +0900
[IPV4] UDP,UDPLITE: Sparse: {__udp4_lib,udp,udplite}_err() are of void.
Fix following sparse warnings:
| net/ipv4/udp.c:421:2: warning: returning void-valued expression
| net/ipv4/udplite.c:38:2: warning: returning void-valued expression
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index cb2411c..ecd9d91 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -418,7 +418,7 @@ out:
void udp_err(struct sk_buff *skb, u32 info)
{
- return __udp4_lib_err(skb, info, udp_hash);
+ __udp4_lib_err(skb, info, udp_hash);
}
/*
diff --git a/net/ipv4/udplite.c b/net/ipv4/udplite.c
index f5baeb3..001b881 100644
--- a/net/ipv4/udplite.c
+++ b/net/ipv4/udplite.c
@@ -35,7 +35,7 @@ static int udplite_rcv(struct sk_buff *skb)
static void udplite_err(struct sk_buff *skb, u32 info)
{
- return __udp4_lib_err(skb, info, udplite_hash);
+ __udp4_lib_err(skb, info, udplite_hash);
}
static struct net_protocol udplite_protocol = {
---
commit feafbe254cd11496370192a08dbdc1d0ddda226f
Author: YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>
Date: Tue Jan 22 17:09:55 2008 +0900
[IPV6] UDP,UDPLITE: Sparse: {__udp6_lib,udp,udplite}_err() are of void.
Fix following sparse warnings:
| net/ipv6/udp.c:262:2: warning: returning void-valued expression
| net/ipv6/udplite.c:29:2: warning: returning void-valued expression
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index bf58aca..bd4b9df 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -259,7 +259,7 @@ static __inline__ void udpv6_err(struct sk_buff *skb,
struct inet6_skb_parm *opt, int type,
int code, int offset, __be32 info )
{
- return __udp6_lib_err(skb, opt, type, code, offset, info, udp_hash);
+ __udp6_lib_err(skb, opt, type, code, offset, info, udp_hash);
}
int udpv6_queue_rcv_skb(struct sock * sk, struct sk_buff *skb)
diff --git a/net/ipv6/udplite.c b/net/ipv6/udplite.c
index 39f0705..87d4202 100644
--- a/net/ipv6/udplite.c
+++ b/net/ipv6/udplite.c
@@ -26,7 +26,7 @@ static void udplitev6_err(struct sk_buff *skb,
struct inet6_skb_parm *opt,
int type, int code, int offset, __be32 info)
{
- return __udp6_lib_err(skb, opt, type, code, offset, info, udplite_hash);
+ __udp6_lib_err(skb, opt, type, code, offset, info, udplite_hash);
}
static struct inet6_protocol udplitev6_protocol = {
---
commit ce97db1c7fa125b3f24a3d424a6373824a0bca37
Author: YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>
Date: Tue Jan 22 17:25:46 2008 +0900
[IPV6] UDPLITE: Sparse: Declare non-static symbols in header.
Fix the following sparse warnings:
| net/ipv6/udplite.c:45:14: warning: symbol 'udplitev6_prot' was not declared. Should it be static?
| net/ipv6/udplite.c:80:12: warning: symbol 'udplitev6_init' was not declared. Should it be static?
| net/ipv6/udplite.c:99:6: warning: symbol 'udplitev6_exit' was not declared. Should it be static?
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>
diff --git a/net/ipv6/udp_impl.h b/net/ipv6/udp_impl.h
index 2d3fda6..21be3a8 100644
--- a/net/ipv6/udp_impl.h
+++ b/net/ipv6/udp_impl.h
@@ -5,6 +5,7 @@
#include <net/protocol.h>
#include <net/addrconf.h>
#include <net/inet_common.h>
+#include <net/transp_v6.h>
extern int __udp6_lib_rcv(struct sk_buff *, struct hlist_head [], int );
extern void __udp6_lib_err(struct sk_buff *, struct inet6_skb_parm *,
---
commit c70651db4683cdaec05d83b91b6a53560f045a27
Author: YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>
Date: Tue Jan 22 17:12:50 2008 +0900
[IPV6] ADDRLABEL: Sparse: Make several functions static.
Fix following sparse warnings:
| net/ipv6/addrlabel.c:172:25: warning: symbol 'ip6addrlbl_alloc' was not declared. Should it be static?
| net/ipv6/addrlabel.c:219:5: warning: symbol '__ip6addrlbl_add' was not declared. Should it be static?
| net/ipv6/addrlabel.c:260:5: warning: symbol 'ip6addrlbl_add' was not declared. Should it be static?
| net/ipv6/addrlabel.c:285:5: warning: symbol '__ip6addrlbl_del' was not declared. Should it be static?
| net/ipv6/addrlabel.c:311:5: warning: symbol 'ip6addrlbl_del' was not declared. Should it be static?
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>
diff --git a/net/ipv6/addrlabel.c b/net/ipv6/addrlabel.c
index 6f1ca60..3867412 100644
--- a/net/ipv6/addrlabel.c
+++ b/net/ipv6/addrlabel.c
@@ -169,9 +169,9 @@ u32 ipv6_addr_label(const struct in6_addr *addr, int type, int ifindex)
}
/* allocate one entry */
-struct ip6addrlbl_entry *ip6addrlbl_alloc(const struct in6_addr *prefix,
- int prefixlen, int ifindex,
- u32 label)
+static struct ip6addrlbl_entry *ip6addrlbl_alloc(const struct in6_addr *prefix,
+ int prefixlen, int ifindex,
+ u32 label)
{
struct ip6addrlbl_entry *newp;
int addrtype;
@@ -216,7 +216,7 @@ struct ip6addrlbl_entry *ip6addrlbl_alloc(const struct in6_addr *prefix,
}
/* add a label */
-int __ip6addrlbl_add(struct ip6addrlbl_entry *newp, int replace)
+static int __ip6addrlbl_add(struct ip6addrlbl_entry *newp, int replace)
{
int ret = 0;
@@ -257,8 +257,8 @@ out:
}
/* add a label */
-int ip6addrlbl_add(const struct in6_addr *prefix, int prefixlen,
- int ifindex, u32 label, int replace)
+static int ip6addrlbl_add(const struct in6_addr *prefix, int prefixlen,
+ int ifindex, u32 label, int replace)
{
struct ip6addrlbl_entry *newp;
int ret = 0;
@@ -282,8 +282,8 @@ int ip6addrlbl_add(const struct in6_addr *prefix, int prefixlen,
}
/* remove a label */
-int __ip6addrlbl_del(const struct in6_addr *prefix, int prefixlen,
- int ifindex)
+static int __ip6addrlbl_del(const struct in6_addr *prefix, int prefixlen,
+ int ifindex)
{
struct ip6addrlbl_entry *p = NULL;
struct hlist_node *pos, *n;
@@ -308,8 +308,8 @@ int __ip6addrlbl_del(const struct in6_addr *prefix, int prefixlen,
return ret;
}
-int ip6addrlbl_del(const struct in6_addr *prefix, int prefixlen,
- int ifindex)
+static int ip6addrlbl_del(const struct in6_addr *prefix, int prefixlen,
+ int ifindex)
{
struct in6_addr prefix_buf;
int ret;
---
commit 50207356bc5026b53dbf99a3e86c28a683ae6745
Author: YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>
Date: Tue Jan 22 17:18:38 2008 +0900
[IPV6]: Sparse: Declare non-static ipv6_{route,icmp,frag}_sysctl_init() in header.
Fix the following sparse warnings:
| net/ipv6/route.c:2491:18: warning: symbol 'ipv6_route_sysctl_init' was not declared. Should it be static?
| net/ipv6/icmp.c:922:18: warning: symbol 'ipv6_icmp_sysctl_init' was not declared. Should it be static?
| net/ipv6/reassembly.c:628:6: warning: symbol 'ipv6_frag_sysctl_init' was not declared. Should it be static?
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index c8e8cb2..3712cae 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -586,6 +586,10 @@ extern int ip6_mc_msfget(struct sock *sk, struct group_filter *gsf,
int __user *optlen);
#ifdef CONFIG_PROC_FS
+extern struct ctl_table *ipv6_icmp_sysctl_init(struct net *net);
+extern void ipv6_frag_sysctl_init(struct net *net);
+extern struct ctl_table *ipv6_route_sysctl_init(struct net *net);
+
extern int ac6_proc_init(void);
extern void ac6_proc_exit(void);
extern int raw6_proc_init(void);
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 3150c4b..6738a7b 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -72,8 +72,6 @@ MODULE_LICENSE("GPL");
static struct list_head inetsw6[SOCK_MAX];
static DEFINE_SPINLOCK(inetsw6_lock);
-void ipv6_frag_sysctl_init(struct net *net);
-
static __inline__ struct ipv6_pinfo *inet6_sk_generic(struct sock *sk)
{
const int offset = sk->sk_prot->obj_size - sizeof(struct ipv6_pinfo);
diff --git a/net/ipv6/sysctl_net_ipv6.c b/net/ipv6/sysctl_net_ipv6.c
index 5e0af4d..7197eb7 100644
--- a/net/ipv6/sysctl_net_ipv6.c
+++ b/net/ipv6/sysctl_net_ipv6.c
@@ -14,9 +14,6 @@
#include <net/addrconf.h>
#include <net/inet_frag.h>
-extern struct ctl_table *ipv6_route_sysctl_init(struct net *net);
-extern struct ctl_table *ipv6_icmp_sysctl_init(struct net *net);
-
static ctl_table ipv6_table_template[] = {
{
.ctl_name = NET_IPV6_ROUTE,
---
commit 2aa6b4e605b700e10943afd9f34cd0527304f3a3
Author: YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>
Date: Tue Jan 22 17:29:40 2008 +0900
[IPV6] ADDRCONF: Sparse: Make inet6_dump_addr() code paths more straight-forward.
Fix the following sparse warning:
| net/ipv6/addrconf.c:3384:2: warning: context imbalance in 'inet6_dump_addr' - different lock contexts for basic block
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index aba7b5d..e40213d 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -3335,11 +3335,11 @@ static int inet6_dump_addr(struct sk_buff *skb, struct netlink_callback *cb,
ifa = ifa->if_next, ip_idx++) {
if (ip_idx < s_ip_idx)
continue;
- if ((err = inet6_fill_ifaddr(skb, ifa,
- NETLINK_CB(cb->skb).pid,
- cb->nlh->nlmsg_seq, RTM_NEWADDR,
- NLM_F_MULTI)) <= 0)
- goto done;
+ err = inet6_fill_ifaddr(skb, ifa,
+ NETLINK_CB(cb->skb).pid,
+ cb->nlh->nlmsg_seq,
+ RTM_NEWADDR,
+ NLM_F_MULTI);
}
break;
case MULTICAST_ADDR:
@@ -3348,11 +3348,11 @@ static int inet6_dump_addr(struct sk_buff *skb, struct netlink_callback *cb,
ifmca = ifmca->next, ip_idx++) {
if (ip_idx < s_ip_idx)
continue;
- if ((err = inet6_fill_ifmcaddr(skb, ifmca,
- NETLINK_CB(cb->skb).pid,
- cb->nlh->nlmsg_seq, RTM_GETMULTICAST,
- NLM_F_MULTI)) <= 0)
- goto done;
+ err = inet6_fill_ifmcaddr(skb, ifmca,
+ NETLINK_CB(cb->skb).pid,
+ cb->nlh->nlmsg_seq,
+ RTM_GETMULTICAST,
+ NLM_F_MULTI);
}
break;
case ANYCAST_ADDR:
@@ -3361,11 +3361,11 @@ static int inet6_dump_addr(struct sk_buff *skb, struct netlink_callback *cb,
ifaca = ifaca->aca_next, ip_idx++) {
if (ip_idx < s_ip_idx)
continue;
- if ((err = inet6_fill_ifacaddr(skb, ifaca,
- NETLINK_CB(cb->skb).pid,
- cb->nlh->nlmsg_seq, RTM_GETANYCAST,
- NLM_F_MULTI)) <= 0)
- goto done;
+ err = inet6_fill_ifacaddr(skb, ifaca,
+ NETLINK_CB(cb->skb).pid,
+ cb->nlh->nlmsg_seq,
+ RTM_GETANYCAST,
+ NLM_F_MULTI);
}
break;
default:
@@ -3373,14 +3373,12 @@ static int inet6_dump_addr(struct sk_buff *skb, struct netlink_callback *cb,
}
read_unlock_bh(&idev->lock);
in6_dev_put(idev);
+
+ if (err <= 0)
+ break;
cont:
idx++;
}
-done:
- if (err <= 0) {
- read_unlock_bh(&idev->lock);
- in6_dev_put(idev);
- }
cb->args[0] = idx;
cb->args[1] = ip_idx;
return skb->len;
---
commit b825a8d0e0d210bffeec948b1790c3be4c3c5448
Author: YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>
Date: Tue Jan 22 17:32:53 2008 +0900
[IPV6] NDISC: Sparse: Use different variable name for local use.
Fix the following sparse warnings:
| net/ipv6/ndisc.c:1300:21: warning: symbol 'opt' shadows an earlier one
| net/ipv6/ndisc.c:1078:7: originally declared here
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index e1554ba..92b6775 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -1297,11 +1297,11 @@ skip_defrtr:
}
if (ndopts.nd_useropts) {
- struct nd_opt_hdr *opt;
- for (opt = ndopts.nd_useropts;
- opt;
- opt = ndisc_next_useropt(opt, ndopts.nd_useropts_end)) {
- ndisc_ra_useropt(skb, opt);
+ struct nd_opt_hdr *p;
+ for (p = ndopts.nd_useropts;
+ p;
+ p = ndisc_next_useropt(p, ndopts.nd_useropts_end)) {
+ ndisc_ra_useropt(skb, p);
}
}
---
--
YOSHIFUJI Hideaki @ USAGI Project <yoshfuji@...ux-ipv6.org>
GPG-FP : 9022 65EB 1ECF 3AD1 0BDF 80D8 4807 F894 E062 0EEA
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