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>

17 files changed, 23 insertions, 23 deletions

diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index a3da198ca429..bdba282f15e4 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -339,7 +339,7 @@ static struct request *nbd_read_stat(struct nbd_device *lo)
         }
 
         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 ac05a928f764..b3c54be74556 100644
--- a/drivers/leds/led-class.c
+++ b/drivers/leds/led-class.c
@@ -105,7 +105,7 @@ int led_classdev_register(struct device *parent, struct led_classdev *led_cdev)
 
         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 a95314897402..81483de8c0fd 100644
--- a/drivers/message/i2o/i2o_block.c
+++ b/drivers/message/i2o/i2o_block.c
@@ -371,7 +371,7 @@ static int i2o_block_prep_req_fn(struct request_queue *q, struct request *req)
         /* 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 cead81e80f0c..ef63c8d2bd7e 100644
--- a/drivers/net/myri10ge/myri10ge.c
+++ b/drivers/net/myri10ge/myri10ge.c
@@ -2437,7 +2437,7 @@ static int myri10ge_sw_tso(struct sk_buff *skb, struct net_device *dev)
         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 e3f74c9f78bd..b66c75e3b8a1 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -4361,7 +4361,7 @@ static int tg3_tso_bug(struct tg3 *tp, struct sk_buff *skb)
         }
 
         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 4f28045d9ef2..8624f55d0560 100644
--- a/drivers/rtc/rtc-bfin.c
+++ b/drivers/rtc/rtc-bfin.c
@@ -419,7 +419,7 @@ static int __devinit bfin_rtc_probe(struct platform_device *pdev)
                 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 fcd7455ffc39..a00eee6f7be9 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -1828,7 +1828,7 @@ void scsi_scan_host(struct Scsi_Host *shost)
         }
 
         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);
diff --git a/fs/aio.c b/fs/aio.c
index 81c01290939b..a175ad650b66 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -1604,7 +1604,7 @@ static int io_submit_one(struct kioctx *ctx, struct iocb __user *user_iocb,
                  * event using the eventfd_signal() function.
                  */
                 req->ki_eventfd = eventfd_fget((int) iocb->aio_resfd);
-                if (unlikely(IS_ERR(req->ki_eventfd))) {
+                if (IS_ERR(req->ki_eventfd)) {
                         ret = PTR_ERR(req->ki_eventfd);
                         goto out_put_req;
                 }
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index 1623ebf25e51..0a1397335a8e 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -111,7 +111,7 @@ ecryptfs_do_create(struct inode *directory_inode,
 
         lower_dentry = ecryptfs_dentry_to_lower(ecryptfs_dentry);
         lower_dir_dentry = lock_parent(lower_dentry);
-        if (unlikely(IS_ERR(lower_dir_dentry))) {
+        if (IS_ERR(lower_dir_dentry)) {
                 ecryptfs_printk(KERN_ERR, "Error locking directory of "
                                 "dentry\n");
                 rc = PTR_ERR(lower_dir_dentry);
diff --git a/fs/inotify_user.c b/fs/inotify_user.c
index 7b94a1e3c015..6676c06bb7c1 100644
--- a/fs/inotify_user.c
+++ b/fs/inotify_user.c
@@ -598,7 +598,7 @@ asmlinkage long sys_inotify_init(void)
         }
 
         ih = inotify_init(&inotify_user_ops);
-        if (unlikely(IS_ERR(ih))) {
+        if (IS_ERR(ih)) {
                 ret = PTR_ERR(ih);
                 goto out_free_dev;
         }
diff --git a/fs/ntfs/mft.c b/fs/ntfs/mft.c
index 2ad5c8b104b9..790defb847e7 100644
--- a/fs/ntfs/mft.c
+++ b/fs/ntfs/mft.c
@@ -1191,7 +1191,7 @@ static int ntfs_mft_bitmap_find_and_alloc_free_rec_nolock(ntfs_volume *vol,
                 if (size) {
                         page = ntfs_map_page(mftbmp_mapping,
                                         ofs >> PAGE_CACHE_SHIFT);
-                        if (unlikely(IS_ERR(page))) {
+                        if (IS_ERR(page)) {
                                 ntfs_error(vol->sb, "Failed to read mft "
                                                 "bitmap, aborting.");
                                 return PTR_ERR(page);
@@ -2118,7 +2118,7 @@ static int ntfs_mft_record_format(const ntfs_volume *vol, const s64 mft_no)
         }
         /* Read, map, and pin the page containing the mft record. */
         page = ntfs_map_page(mft_vi->i_mapping, index);
-        if (unlikely(IS_ERR(page))) {
+        if (IS_ERR(page)) {
                 ntfs_error(vol->sb, "Failed to map page containing mft record "
                                 "to format 0x%llx.", (long long)mft_no);
                 return PTR_ERR(page);
@@ -2519,7 +2519,7 @@ mft_rec_already_initialized:
         ofs = (bit << vol->mft_record_size_bits) & ~PAGE_CACHE_MASK;
         /* Read, map, and pin the page containing the mft record. */
         page = ntfs_map_page(vol->mft_ino->i_mapping, index);
-        if (unlikely(IS_ERR(page))) {
+        if (IS_ERR(page)) {
                 ntfs_error(vol->sb, "Failed to map page containing allocated "
                                 "mft record 0x%llx.", (long long)bit);
                 err = PTR_ERR(page);
diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c
index 28fef6bf8534..13430176b3c9 100644
--- a/kernel/auditfilter.c
+++ b/kernel/auditfilter.c
@@ -272,7 +272,7 @@ static int audit_to_watch(struct audit_krule *krule, char *path, int len,
                 return -EINVAL;
 
         watch = audit_init_watch(path);
-        if (unlikely(IS_ERR(watch)))
+        if (IS_ERR(watch))
                 return PTR_ERR(watch);
 
         audit_get_watch(watch);
@@ -848,7 +848,7 @@ static struct audit_watch *audit_dupe_watch(struct audit_watch *old)
                 return ERR_PTR(-ENOMEM);
 
         new = audit_init_watch(path);
-        if (unlikely(IS_ERR(new))) {
+        if (IS_ERR(new)) {
                 kfree(path);
                 goto out;
         }
@@ -989,7 +989,7 @@ static void audit_update_watch(struct audit_parent *parent,
                         audit_set_auditable(current->audit_context);
 
                 nwatch = audit_dupe_watch(owatch);
-                if (unlikely(IS_ERR(nwatch))) {
+                if (IS_ERR(nwatch)) {
                         mutex_unlock(&audit_filter_mutex);
                         audit_panic("error updating watch, skipping");
                         return;
@@ -1004,7 +1004,7 @@ static void audit_update_watch(struct audit_parent *parent,
                         list_del_rcu(&oentry->list);
 
                         nentry = audit_dupe_rule(&oentry->rule, nwatch);
-                        if (unlikely(IS_ERR(nentry)))
+                        if (IS_ERR(nentry))
                                 audit_panic("error updating watch, removing");
                         else {
                                 int h = audit_hash_ino((u32)ino);
@@ -1785,7 +1785,7 @@ int audit_update_lsm_rules(void)
                         watch = entry->rule.watch;
                         tree = entry->rule.tree;
                         nentry = audit_dupe_rule(&entry->rule, watch);
-                        if (unlikely(IS_ERR(nentry))) {
+                        if (IS_ERR(nentry)) {
                                 /* save the first error encountered for the
                                  * return value */
                                 if (!err)
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 {
diff --git a/sound/sh/aica.c b/sound/sh/aica.c
index d49417bf78c6..9ca113326143 100644
--- a/sound/sh/aica.c
+++ b/sound/sh/aica.c
@@ -663,7 +663,7 @@ static int __init aica_init(void)
                 return err;
         pd = platform_device_register_simple(SND_AICA_DRIVER, -1,
                                              aica_memory_space, 2);
-        if (unlikely(IS_ERR(pd))) {
+        if (IS_ERR(pd)) {
                 platform_driver_unregister(&snd_aica_driver);
                 return PTR_ERR(pd);
         }