[PATCH 2/9] md/dm-table: Reduce the scope for a variable in dm_table_verify_integrity()

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From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Sat, 1 Oct 2016 07:10:43 +0200

Move the definition for the variable "template_disk" into an if branch
so that an extra initialisation can be avoided at the beginning
by this refactoring.

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
 drivers/md/dm-table.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index f6b817c..73d38d0 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -1391,14 +1391,13 @@ int dm_calculate_queue_limits(struct dm_table *table,
  */
 static void dm_table_verify_integrity(struct dm_table *t)
 {
-	struct gendisk *template_disk = NULL;
-
 	if (t->integrity_supported) {
 		/*
 		 * Verify that the original integrity profile
 		 * matches all the devices in this table.
 		 */
-		template_disk = dm_table_get_integrity_disk(t);
+		struct gendisk *template_disk = dm_table_get_integrity_disk(t);
+
 		if (template_disk &&
 		    blk_integrity_compare(dm_disk(t->md), template_disk) >= 0)
 			return;
-- 
2.10.0

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