nvmet: configfs code cleanup

This is a pure code cleanup patch which does not change any
functionality. This patch removes the extra lines, get rid of
else which is duplicate for return.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>

drivers/nvme/target/configfs.c

@@ -395,14 +395,12 @@ static ssize_t nvmet_ns_device_uuid_store(struct config_item *item,
 	struct nvmet_subsys *subsys = ns->subsys;
 	int ret = 0;
 
-
 	mutex_lock(&subsys->lock);
 	if (ns->enabled) {
 		ret = -EBUSY;
 		goto out_unlock;
 	}
 
-
 	if (uuid_parse(page, &ns->uuid))
 		ret = -EINVAL;
 
@@ -815,7 +813,7 @@ static ssize_t nvmet_subsys_attr_version_show(struct config_item *item,
 				(int)NVME_MAJOR(subsys->ver),
 				(int)NVME_MINOR(subsys->ver),
 				(int)NVME_TERTIARY(subsys->ver));
-	else
+
 	return snprintf(page, PAGE_SIZE, "%d.%d\n",
 			(int)NVME_MAJOR(subsys->ver),
 			(int)NVME_MINOR(subsys->ver));
@@ -828,7 +826,6 @@ static ssize_t nvmet_subsys_attr_version_store(struct config_item *item,
 	int major, minor, tertiary = 0;
 	int ret;
 
-
 	ret = sscanf(page, "%d.%d.%d\n", &major, &minor, &tertiary);
 	if (ret != 2 && ret != 3)
 		return -EINVAL;