[NET]: kfree cleanup

From: Jesper Juhl <jesper.juhl@gmail.com>

This is the net/ part of the big kfree cleanup patch.

Remove pointless checks for NULL prior to calling kfree() in net/.

Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Arnaldo Carvalho de Melo <acme@conectiva.com.br>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>

1 files changed, 5 insertions, 10 deletions

diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 614296a920c6..dbd9767b32e4 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -587,8 +587,7 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
                         skb->next = NULL;
                 }
 
-                if (tmp_hdr)
-                        kfree(tmp_hdr);
+                kfree(tmp_hdr);
 
                 if (err == 0) {
                         IP6_INC_STATS(IPSTATS_MIB_FRAGOKS);
@@ -1186,10 +1185,8 @@ int ip6_push_pending_frames(struct sock *sk)
 
 out:
         inet->cork.flags &= ~IPCORK_OPT;
-        if (np->cork.opt) {
-                kfree(np->cork.opt);
-                np->cork.opt = NULL;
-        }
+        kfree(np->cork.opt);
+        np->cork.opt = NULL;
         if (np->cork.rt) {
                 dst_release(&np->cork.rt->u.dst);
                 np->cork.rt = NULL;
@@ -1214,10 +1211,8 @@ void ip6_flush_pending_frames(struct sock *sk)
 
         inet->cork.flags &= ~IPCORK_OPT;
 
-        if (np->cork.opt) {
-                kfree(np->cork.opt);
-                np->cork.opt = NULL;
-        }
+        kfree(np->cork.opt);
+        np->cork.opt = NULL;
         if (np->cork.rt) {
                 dst_release(&np->cork.rt->u.dst);
                 np->cork.rt = NULL;