md: remove unwanted white space from md.c

My editor shows much of this is RED.

Signed-off-by: NeilBrown <neilb@suse.de>
diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c
index 849ad39..399272f 100644
--- a/drivers/md/multipath.c
+++ b/drivers/md/multipath.c
@@ -31,13 +31,12 @@
 
 #define	NR_RESERVED_BUFS	32
 
-
 static int multipath_map (struct mpconf *conf)
 {
 	int i, disks = conf->raid_disks;
 
 	/*
-	 * Later we do read balancing on the read side 
+	 * Later we do read balancing on the read side
 	 * now we use the first available disk.
 	 */
 
@@ -68,7 +67,6 @@
 	md_wakeup_thread(mddev->thread);
 }
 
-
 /*
  * multipath_end_bh_io() is called when we have finished servicing a multipathed
  * operation and are ready to return a success/failure code to the buffer
@@ -98,8 +96,8 @@
 		 */
 		char b[BDEVNAME_SIZE];
 		md_error (mp_bh->mddev, rdev);
-		printk(KERN_ERR "multipath: %s: rescheduling sector %llu\n", 
-		       bdevname(rdev->bdev,b), 
+		printk(KERN_ERR "multipath: %s: rescheduling sector %llu\n",
+		       bdevname(rdev->bdev,b),
 		       (unsigned long long)bio->bi_iter.bi_sector);
 		multipath_reschedule_retry(mp_bh);
 	} else
@@ -145,12 +143,12 @@
 {
 	struct mpconf *conf = mddev->private;
 	int i;
-	
+
 	seq_printf (seq, " [%d/%d] [", conf->raid_disks,
 		    conf->raid_disks - mddev->degraded);
 	for (i = 0; i < conf->raid_disks; i++)
 		seq_printf (seq, "%s",
-			       conf->multipaths[i].rdev && 
+			       conf->multipaths[i].rdev &&
 			       test_bit(In_sync, &conf->multipaths[i].rdev->flags) ? "U" : "_");
 	seq_printf (seq, "]");
 }
@@ -195,7 +193,7 @@
 		 * first check if this is a queued request for a device
 		 * which has just failed.
 		 */
-		printk(KERN_ALERT 
+		printk(KERN_ALERT
 		       "multipath: only one IO path left and IO error.\n");
 		/* leave it active... it's all we have */
 		return;
@@ -242,7 +240,6 @@
 	}
 }
 
-
 static int multipath_add_disk(struct mddev *mddev, struct md_rdev *rdev)
 {
 	struct mpconf *conf = mddev->private;
@@ -325,8 +322,6 @@
 	return err;
 }
 
-
-
 /*
  * This is a kernel thread which:
  *
@@ -356,7 +351,7 @@
 
 		bio = &mp_bh->bio;
 		bio->bi_iter.bi_sector = mp_bh->master_bio->bi_iter.bi_sector;
-		
+
 		if ((mp_bh->path = multipath_map (conf))<0) {
 			printk(KERN_ALERT "multipath: %s: unrecoverable IO read"
 				" error for block %llu\n",
@@ -414,7 +409,7 @@
 	conf = kzalloc(sizeof(struct mpconf), GFP_KERNEL);
 	mddev->private = conf;
 	if (!conf) {
-		printk(KERN_ERR 
+		printk(KERN_ERR
 			"multipath: couldn't allocate memory for %s\n",
 			mdname(mddev));
 		goto out;
@@ -423,7 +418,7 @@
 	conf->multipaths = kzalloc(sizeof(struct multipath_info)*mddev->raid_disks,
 				   GFP_KERNEL);
 	if (!conf->multipaths) {
-		printk(KERN_ERR 
+		printk(KERN_ERR
 			"multipath: couldn't allocate memory for %s\n",
 			mdname(mddev));
 		goto out_free_conf;
@@ -469,7 +464,7 @@
 	conf->pool = mempool_create_kmalloc_pool(NR_RESERVED_BUFS,
 						 sizeof(struct multipath_bh));
 	if (conf->pool == NULL) {
-		printk(KERN_ERR 
+		printk(KERN_ERR
 			"multipath: couldn't allocate memory for %s\n",
 			mdname(mddev));
 		goto out_free_conf;
@@ -485,7 +480,7 @@
 		}
 	}
 
-	printk(KERN_INFO 
+	printk(KERN_INFO
 		"multipath: array %s active with %d out of %d IO paths\n",
 		mdname(mddev), conf->raid_disks - mddev->degraded,
 	       mddev->raid_disks);
@@ -512,7 +507,6 @@
 	return -EIO;
 }
 
-
 static int multipath_stop (struct mddev *mddev)
 {
 	struct mpconf *conf = mddev->private;