ipv4: coding style: comparison for equality with NULL

[deliverable/linux.git] / net / ipv4 / fib_semantics.c

diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index eac5aec7772a08a7883ab5c669c14afb6f85e1d9..8d695b6659c715f89e06c31d9890532b34b2727f 100644 (file)
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -390,7 +390,7 @@ void rtmsg_fib(int event, __be32 key, struct fib_alias *fa,
        int err = -ENOBUFS;
 
        skb = nlmsg_new(fib_nlmsg_size(fa->fa_info), GFP_KERNEL);
-       if (skb == NULL)
+       if (!skb)
                goto errout;
 
        err = fib_dump_info(skb, info->portid, seq, event, tb_id,
@@ -503,7 +503,7 @@ int fib_nh_match(struct fib_config *cfg, struct fib_info *fi)
        }
 
 #ifdef CONFIG_IP_ROUTE_MULTIPATH
-       if (cfg->fc_mp == NULL)
+       if (!cfg->fc_mp)
                return 0;
 
        rtnh = cfg->fc_mp;
@@ -646,7 +646,7 @@ static int fib_check_nh(struct fib_config *cfg, struct fib_info *fi,
                rcu_read_lock();
                err = -ENODEV;
                in_dev = inetdev_by_index(net, nh->nh_oif);
-               if (in_dev == NULL)
+               if (!in_dev)
                        goto out;
                err = -ENETDOWN;
                if (!(in_dev->dev->flags & IFF_UP))
@@ -803,7 +803,7 @@ struct fib_info *fib_create_info(struct fib_config *cfg)
        }
 
        fi = kzalloc(sizeof(*fi)+nhs*sizeof(struct fib_nh), GFP_KERNEL);
-       if (fi == NULL)
+       if (!fi)
                goto failure;
        fib_info_cnt++;
        if (cfg->fc_mx) {
@@ -921,7 +921,7 @@ struct fib_info *fib_create_info(struct fib_config *cfg)
                nh->nh_scope = RT_SCOPE_NOWHERE;
                nh->nh_dev = dev_get_by_index(net, fi->fib_nh->nh_oif);
                err = -ENODEV;
-               if (nh->nh_dev == NULL)
+               if (!nh->nh_dev)
                        goto failure;
        } else {
                change_nexthops(fi) {
@@ -995,7 +995,7 @@ int fib_dump_info(struct sk_buff *skb, u32 portid, u32 seq, int event,
        struct rtmsg *rtm;
 
        nlh = nlmsg_put(skb, portid, seq, event, sizeof(*rtm), flags);
-       if (nlh == NULL)
+       if (!nlh)
                return -EMSGSIZE;
 
        rtm = nlmsg_data(nlh);
@@ -1045,12 +1045,12 @@ int fib_dump_info(struct sk_buff *skb, u32 portid, u32 seq, int event,
                struct nlattr *mp;
 
                mp = nla_nest_start(skb, RTA_MULTIPATH);
-               if (mp == NULL)
+               if (!mp)
                        goto nla_put_failure;
 
                for_nexthops(fi) {
                        rtnh = nla_reserve_nohdr(skb, sizeof(*rtnh));
-                       if (rtnh == NULL)
+                       if (!rtnh)
                                goto nla_put_failure;
 
                        rtnh->rtnh_flags = nh->nh_flags & 0xFF;
@@ -1093,7 +1093,7 @@ int fib_sync_down_addr(struct net *net, __be32 local)
        struct hlist_head *head = &fib_info_laddrhash[hash];
        struct fib_info *fi;
 
-       if (fib_info_laddrhash == NULL || local == 0)
+       if (!fib_info_laddrhash || local == 0)
                return 0;
 
        hlist_for_each_entry(fi, head, fib_lhash) {
@@ -1182,7 +1182,7 @@ void fib_select_default(struct fib_result *res)
 
                fib_alias_accessed(fa);
 
-               if (fi == NULL) {
+               if (!fi) {
                        if (next_fi != res->fi)
                                break;
                } else if (!fib_detect_death(fi, order, &last_resort,
@@ -1195,7 +1195,7 @@ void fib_select_default(struct fib_result *res)
                order++;
        }
 
-       if (order <= 0 || fi == NULL) {
+       if (order <= 0 || !fi) {
                tb->tb_default = -1;
                goto out;
        }
@@ -1251,7 +1251,7 @@ int fib_sync_up(struct net_device *dev)
                                alive++;
                                continue;
                        }
-                       if (nexthop_nh->nh_dev == NULL ||
+                       if (!nexthop_nh->nh_dev ||
                            !(nexthop_nh->nh_dev->flags & IFF_UP))
                                continue;
                        if (nexthop_nh->nh_dev != dev ||