From: Jayachandran C <jchandra@digeo.com>
Date: Thu, 13 Oct 2005 18:43:02 +0000 (-0700)
Subject: [IPV4]: Remove dead code from ip_output.c
X-Git-Tag: firefly_0821_release~40857^2~5^2~3
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=0d0d2bba97cb091218ea0bcb3d8debcc7bf48397;p=firefly-linux-kernel-4.4.55.git

[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>
---

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);