1 files changed, 5 insertions, 5 deletions

diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 7fe0329c0d37..58efd2c5c127 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -550,7 +550,7 @@ void __udp6_lib_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 
         sk = __udp6_lib_lookup(net, daddr, uh->dest,
                                saddr, uh->source, inet6_iif(skb), udptable);
-        if (sk == NULL) {
+        if (!sk) {
                 ICMP6_INC_STATS_BH(net, __in6_dev_get(skb->dev),
                                    ICMP6_MIB_INERRORS);
                 return;
@@ -749,7 +749,7 @@ static void flush_stack(struct sock **stack, unsigned int count,
 
         for (i = 0; i < count; i++) {
                 sk = stack[i];
-                if (likely(skb1 == NULL))
+                if (likely(!skb1))
                         skb1 = (i == final) ? skb : skb_clone(skb, GFP_ATOMIC);
                 if (!skb1) {
                         atomic_inc(&sk->sk_drops);
@@ -1207,7 +1207,7 @@ do_udp_sendmsg:
                         fl6.flowlabel = sin6->sin6_flowinfo&IPV6_FLOWINFO_MASK;
                         if (fl6.flowlabel&IPV6_FLOWLABEL_MASK) {
                                 flowlabel = fl6_sock_lookup(sk, fl6.flowlabel);
-                                if (flowlabel == NULL)
+                                if (!flowlabel)
                                         return -EINVAL;
                         }
                 }
@@ -1255,14 +1255,14 @@ do_udp_sendmsg:
                 }
                 if ((fl6.flowlabel&IPV6_FLOWLABEL_MASK) && !flowlabel) {
                         flowlabel = fl6_sock_lookup(sk, fl6.flowlabel);
-                        if (flowlabel == NULL)
+                        if (!flowlabel)
                                 return -EINVAL;
                 }
                 if (!(opt->opt_nflen|opt->opt_flen))
                         opt = NULL;
                 connected = 0;
         }
-        if (opt == NULL)
+        if (!opt)
                 opt = np->opt;
         if (flowlabel)
                 opt = fl6_merge_options(&opt_space, flowlabel, opt);