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>
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index a3da198..bdba282 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -339,7 +339,7 @@
 	}
 
 	req = nbd_find_request(lo, *(struct request **)reply.handle);
-	if (unlikely(IS_ERR(req))) {
+	if (IS_ERR(req)) {
 		result = PTR_ERR(req);
 		if (result != -ENOENT)
 			goto harderror;
diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c
index ac05a92..b3c54be 100644
--- a/drivers/leds/led-class.c
+++ b/drivers/leds/led-class.c
@@ -105,7 +105,7 @@
 
 	led_cdev->dev = device_create(leds_class, parent, 0, "%s",
 					    led_cdev->name);
-	if (unlikely(IS_ERR(led_cdev->dev)))
+	if (IS_ERR(led_cdev->dev))
 		return PTR_ERR(led_cdev->dev);
 
 	dev_set_drvdata(led_cdev->dev, led_cdev);
diff --git a/drivers/message/i2o/i2o_block.c b/drivers/message/i2o/i2o_block.c
index a953148..81483de 100644
--- a/drivers/message/i2o/i2o_block.c
+++ b/drivers/message/i2o/i2o_block.c
@@ -371,7 +371,7 @@
 	/* connect the i2o_block_request to the request */
 	if (!req->special) {
 		ireq = i2o_block_request_alloc();
-		if (unlikely(IS_ERR(ireq))) {
+		if (IS_ERR(ireq)) {
 			osm_debug("unable to allocate i2o_block_request!\n");
 			return BLKPREP_DEFER;
 		}
diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c
index cead81e..ef63c8d 100644
--- a/drivers/net/myri10ge/myri10ge.c
+++ b/drivers/net/myri10ge/myri10ge.c
@@ -2437,7 +2437,7 @@
 	int status;
 
 	segs = skb_gso_segment(skb, dev->features & ~NETIF_F_TSO6);
-	if (unlikely(IS_ERR(segs)))
+	if (IS_ERR(segs))
 		goto drop;
 
 	while (segs) {
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index e3f74c9..b66c75e 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -4361,7 +4361,7 @@
 	}
 
 	segs = skb_gso_segment(skb, tp->dev->features & ~NETIF_F_TSO);
-	if (unlikely(IS_ERR(segs)))
+	if (IS_ERR(segs))
 		goto tg3_tso_bug_end;
 
 	do {
diff --git a/drivers/rtc/rtc-bfin.c b/drivers/rtc/rtc-bfin.c
index 4f28045..8624f55 100644
--- a/drivers/rtc/rtc-bfin.c
+++ b/drivers/rtc/rtc-bfin.c
@@ -419,7 +419,7 @@
 		return -ENOMEM;
 
 	rtc->rtc_dev = rtc_device_register(pdev->name, &pdev->dev, &bfin_rtc_ops, THIS_MODULE);
-	if (unlikely(IS_ERR(rtc))) {
+	if (IS_ERR(rtc)) {
 		ret = PTR_ERR(rtc->rtc_dev);
 		goto err;
 	}
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index fcd7455..a00eee6 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -1828,7 +1828,7 @@
 	}
 
 	p = kthread_run(do_scan_async, data, "scsi_scan_%d", shost->host_no);
-	if (unlikely(IS_ERR(p)))
+	if (IS_ERR(p))
 		do_scan_async(data);
 }
 EXPORT_SYMBOL(scsi_scan_host);