[IPV4]: Remove dead code from ip_output.c

skb_prev is assigned from skb, which cannot be NULL. This patch removes the
unnecessary NULL check.

Signed-off-by: Jayachandran C. <c.jayachandran at gmail.com>
Acked-by: James Morris <jmorris@namei.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>

1 files changed, 1 insertions, 4 deletions

diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 1ad5202e556b..87e350069abb 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -1023,10 +1023,7 @@ ssize_t	ip_append_page(struct sock *sk, struct page *page,
                         int alloclen;
 
                         skb_prev = skb;
-                        if (skb_prev)
-                                fraggap = skb_prev->len - maxfraglen;
-                        else
-                                fraggap = 0;
+                        fraggap = skb_prev->len - maxfraglen;
 
                         alloclen = fragheaderlen + hh_len + fraggap + 15;
                         skb = sock_wmalloc(sk, alloclen, 1, sk->sk_allocation);