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[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@linux-ipv6.org>
This commit is contained in:
YOSHIFUJI Hideaki 2008-01-22 17:29:40 +09:00 committed by David S. Miller
parent 2334ecbdb2
commit 5d5619b40c
1 changed files with 18 additions and 20 deletions
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32
net/ipv6/addrconf.c
View File

@ -3335,11 +3335,11 @@ static int inet6_dump_addr(struct sk_buff *skb, struct netlink_callback *cb,
ifa = ifa->if_next, ip_idx++) { ifa = ifa->if_next, ip_idx++) {
if (ip_idx < s_ip_idx) if (ip_idx < s_ip_idx)
continue; continue;
if ((err = inet6_fill_ifaddr(skb, ifa, err = inet6_fill_ifaddr(skb, ifa,
NETLINK_CB(cb->skb).pid, NETLINK_CB(cb->skb).pid,
cb->nlh->nlmsg_seq, RTM_NEWADDR, cb->nlh->nlmsg_seq,
NLM_F_MULTI)) <= 0) RTM_NEWADDR,
goto done; NLM_F_MULTI);
} }
break; break;
case MULTICAST_ADDR: 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++) { ifmca = ifmca->next, ip_idx++) {
if (ip_idx < s_ip_idx) if (ip_idx < s_ip_idx)
continue; continue;
if ((err = inet6_fill_ifmcaddr(skb, ifmca, err = inet6_fill_ifmcaddr(skb, ifmca,
NETLINK_CB(cb->skb).pid, NETLINK_CB(cb->skb).pid,
cb->nlh->nlmsg_seq, RTM_GETMULTICAST, cb->nlh->nlmsg_seq,
NLM_F_MULTI)) <= 0) RTM_GETMULTICAST,
goto done; NLM_F_MULTI);
} }
break; break;
case ANYCAST_ADDR: 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++) { ifaca = ifaca->aca_next, ip_idx++) {
if (ip_idx < s_ip_idx) if (ip_idx < s_ip_idx)
continue; continue;
if ((err = inet6_fill_ifacaddr(skb, ifaca, err = inet6_fill_ifacaddr(skb, ifaca,
NETLINK_CB(cb->skb).pid, NETLINK_CB(cb->skb).pid,
cb->nlh->nlmsg_seq, RTM_GETANYCAST, cb->nlh->nlmsg_seq,
NLM_F_MULTI)) <= 0) RTM_GETANYCAST,
goto done; NLM_F_MULTI);
} }
break; break;
default: default:
@ -3373,14 +3373,12 @@ static int inet6_dump_addr(struct sk_buff *skb, struct netlink_callback *cb,
} }
read_unlock_bh(&idev->lock); read_unlock_bh(&idev->lock);
in6_dev_put(idev); in6_dev_put(idev);
if (err <= 0)
break;
cont: cont:
idx++; idx++;
} }
done:
if (err <= 0) {
read_unlock_bh(&idev->lock);
in6_dev_put(idev);
}
cb->args[0] = idx; cb->args[0] = idx;
cb->args[1] = ip_idx; cb->args[1] = ip_idx;
return skb->len; return skb->len;