__setup_root has no error conditions and should return void. Its callers
 already ignore the error codes anyway.

Signed-off-by: Jeff Mahoney <je...@suse.com>
---
 fs/btrfs/disk-io.c |    9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1058,10 +1058,10 @@ int clean_tree_block(struct btrfs_trans_
        return 0;
 }
 
-static int __setup_root(u32 nodesize, u32 leafsize, u32 sectorsize,
-                       u32 stripesize, struct btrfs_root *root,
-                       struct btrfs_fs_info *fs_info,
-                       u64 objectid)
+static void __setup_root(u32 nodesize, u32 leafsize, u32 sectorsize,
+                        u32 stripesize, struct btrfs_root *root,
+                        struct btrfs_fs_info *fs_info,
+                        u64 objectid)
 {
        root->node = NULL;
        root->commit_root = NULL;
@@ -1114,7 +1114,6 @@ static int __setup_root(u32 nodesize, u3
        root->defrag_running = 0;
        root->root_key.objectid = objectid;
        root->anon_dev = 0;
-       return 0;
 }
 
 static int __must_check find_and_setup_root(struct btrfs_root *tree_root,


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