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authorHannes Eder <hannes@hanneseder.net>2009-02-25 13:32:39 +0300
committerDavid S. Miller <davem@davemloft.net>2009-02-27 10:13:35 +0300
commite57c624be8f99e56560fd2f4f485fe29f28dd74f (patch)
treeca39acaf5fe229c7a63c170d4fb4900ab8b4b35a
parent8521c27ee79533db444dcac291992b6bf8d61fc8 (diff)
downloadlinux-e57c624be8f99e56560fd2f4f485fe29f28dd74f.tar.xz
decnet: fix sparse warnings: symbol shadows an earlier one
Impact: Remove redundant variable declarations, resp. rename inner scope variable. Fix this sparse warnings: net/decnet/af_decnet.c:1252:40: warning: symbol 'skb' shadows an earlier one net/decnet/af_decnet.c:1223:24: originally declared here net/decnet/af_decnet.c:1582:29: warning: symbol 'val' shadows an earlier one net/decnet/af_decnet.c:1527:22: originally declared here net/decnet/dn_dev.c:687:21: warning: symbol 'err' shadows an earlier one net/decnet/dn_dev.c:670:13: originally declared here net/decnet/sysctl_net_decnet.c:182:21: warning: symbol 'len' shadows an earlier one net/decnet/sysctl_net_decnet.c:173:16: originally declared here Signed-off-by: Hannes Eder <hannes@hanneseder.net> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/decnet/af_decnet.c17
-rw-r--r--net/decnet/dn_dev.c1
-rw-r--r--net/decnet/sysctl_net_decnet.c2
3 files changed, 10 insertions, 10 deletions
diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c
index 963da86d4ecf..ec233b64f853 100644
--- a/net/decnet/af_decnet.c
+++ b/net/decnet/af_decnet.c
@@ -1246,11 +1246,12 @@ static int dn_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
case TIOCINQ:
lock_sock(sk);
- if ((skb = skb_peek(&scp->other_receive_queue)) != NULL) {
+ skb = skb_peek(&scp->other_receive_queue);
+ if (skb) {
amount = skb->len;
} else {
- struct sk_buff *skb = sk->sk_receive_queue.next;
- for(;;) {
+ skb = sk->sk_receive_queue.next;
+ for (;;) {
if (skb ==
(struct sk_buff *)&sk->sk_receive_queue)
break;
@@ -1579,16 +1580,16 @@ static int __dn_getsockopt(struct socket *sock, int level,int optname, char __us
default:
#ifdef CONFIG_NETFILTER
{
- int val, len;
+ int ret, len;
if(get_user(len, optlen))
return -EFAULT;
- val = nf_getsockopt(sk, PF_DECnet, optname,
+ ret = nf_getsockopt(sk, PF_DECnet, optname,
optval, &len);
- if (val >= 0)
- val = put_user(len, optlen);
- return val;
+ if (ret >= 0)
+ ret = put_user(len, optlen);
+ return ret;
}
#endif
case DSO_STREAM:
diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c
index b6c80f3b8185..1c6a5bb6f0c8 100644
--- a/net/decnet/dn_dev.c
+++ b/net/decnet/dn_dev.c
@@ -684,7 +684,6 @@ static int dn_nl_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
return -ENODEV;
if ((dn_db = dev->dn_ptr) == NULL) {
- int err;
dn_db = dn_dev_create(dev, &err);
if (!dn_db)
return err;
diff --git a/net/decnet/sysctl_net_decnet.c b/net/decnet/sysctl_net_decnet.c
index 965397af9a80..5bcd592ae6dd 100644
--- a/net/decnet/sysctl_net_decnet.c
+++ b/net/decnet/sysctl_net_decnet.c
@@ -179,7 +179,7 @@ static int dn_node_address_handler(ctl_table *table, int write,
}
if (write) {
- int len = (*lenp < DN_ASCBUF_LEN) ? *lenp : (DN_ASCBUF_LEN-1);
+ len = (*lenp < DN_ASCBUF_LEN) ? *lenp : (DN_ASCBUF_LEN-1);
if (copy_from_user(addr, buffer, len))
return -EFAULT;