dm cache metadata: return bool from __superblock_all_zeroes

Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>

1 files changed, 5 insertions, 4 deletions

diff --git a/drivers/md/dm-cache-metadata.c b/drivers/md/dm-cache-metadata.c
index 1af7255bbffb..2262b4e57a28 100644
--- a/drivers/md/dm-cache-metadata.c
+++ b/drivers/md/dm-cache-metadata.c
@@ -198,7 +198,7 @@ static int superblock_lock(struct dm_cache_metadata *cmd,
 
 /*----------------------------------------------------------------*/
 
-static int __superblock_all_zeroes(struct dm_block_manager *bm, int *result)
+static int __superblock_all_zeroes(struct dm_block_manager *bm, bool *result)
 {
         int r;
         unsigned i;
@@ -214,10 +214,10 @@ static int __superblock_all_zeroes(struct dm_block_manager *bm, int *result)
                 return r;
 
         data_le = dm_block_data(b);
-        *result = 1;
+        *result = true;
         for (i = 0; i < sb_block_size; i++) {
                 if (data_le[i] != zero) {
-                        *result = 0;
+                        *result = false;
                         break;
                 }
         }
@@ -411,7 +411,8 @@ bad:
 static int __open_or_format_metadata(struct dm_cache_metadata *cmd,
                                      bool format_device)
 {
-        int r, unformatted;
+        int r;
+        bool unformatted = false;
 
         r = __superblock_all_zeroes(cmd->bm, &unformatted);
         if (r)