Remove duplicated unlikely() in IS_ERR()

Some drivers have duplicated unlikely() macros.  IS_ERR() already has
unlikely() in itself.

This patch cleans up such pointless code.

Signed-off-by: Hirofumi Nakagawa <hnakagawa@miraclelinux.com>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Jeff Garzik <jeff@garzik.org>
Cc: Paul Clements <paul.clements@steeleye.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: David Brownell <david-b@pacbell.net>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: Michael Halcrow <mhalcrow@us.ibm.com>
Cc: Anton Altaparmakov <aia21@cantab.net>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Carsten Otte <cotte@de.ibm.com>
Cc: Patrick McHardy <kaber@trash.net>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.de>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

4 files changed, 4 insertions, 4 deletions

diff --git a/net/core/dev.c b/net/core/dev.c
index e1df1ab3e04a..ed49da592051 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1524,7 +1524,7 @@ static int dev_gso_segment(struct sk_buff *skb)
         if (!segs)
                 return 0;
 
-        if (unlikely(IS_ERR(segs)))
+        if (IS_ERR(segs))
                 return PTR_ERR(segs);
 
         skb->next = segs;
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index f2b5270efdaa..24eca23c2db3 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1234,7 +1234,7 @@ static struct sk_buff *inet_gso_segment(struct sk_buff *skb, int features)
                 segs = ops->gso_segment(skb, features);
         rcu_read_unlock();
 
-        if (!segs || unlikely(IS_ERR(segs)))
+        if (!segs || IS_ERR(segs))
                 goto out;
 
         skb = segs;
diff --git a/net/netfilter/nf_queue.c b/net/netfilter/nf_queue.c
index bbd26893c0c4..582ec3efc8a5 100644
--- a/net/netfilter/nf_queue.c
+++ b/net/netfilter/nf_queue.c
@@ -214,7 +214,7 @@ int nf_queue(struct sk_buff *skb,
 
         segs = skb_gso_segment(skb, 0);
         kfree_skb(skb);
-        if (unlikely(IS_ERR(segs)))
+        if (IS_ERR(segs))
                 return 1;
 
         do {
diff --git a/net/xfrm/xfrm_output.c b/net/xfrm/xfrm_output.c
index 2519129c6d21..09cd9c0c2d80 100644
--- a/net/xfrm/xfrm_output.c
+++ b/net/xfrm/xfrm_output.c
@@ -150,7 +150,7 @@ static int xfrm_output_gso(struct sk_buff *skb)
 
         segs = skb_gso_segment(skb, 0);
         kfree_skb(skb);
-        if (unlikely(IS_ERR(segs)))
+        if (IS_ERR(segs))
                 return PTR_ERR(segs);
 
         do {