[PATCH v2] btrfs:make btrfs_init_compress() return void

[Wanlong Gao]

Make btrfs_init_compress() return void, since it always return 0,
and no need to check return value.

Signed-off-by: Wanlong Gao <gaowanl...@cn.fujitsu.com>
---
 fs/btrfs/compression.c |    3 +--
 fs/btrfs/compression.h |    2 +-
 fs/btrfs/super.c       |    7 +++----
 3 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c
index 8ec5d86..b2dbefa 100644
--- a/fs/btrfs/compression.c
+++ b/fs/btrfs/compression.c
@@ -731,7 +731,7 @@ struct btrfs_compress_op *btrfs_compress_op[] = {
        &btrfs_lzo_compress,
 };
 
-int __init btrfs_init_compress(void)
+void __init btrfs_init_compress(void)
 {
        int i;
 
@@ -741,7 +741,6 @@ int __init btrfs_init_compress(void)
                atomic_set(&comp_alloc_workspace[i], 0);
                init_waitqueue_head(&comp_workspace_wait[i]);
        }
-       return 0;
 }
 
 /*
diff --git a/fs/btrfs/compression.h b/fs/btrfs/compression.h
index a12059f..9afb0a6 100644
--- a/fs/btrfs/compression.h
+++ b/fs/btrfs/compression.h
@@ -19,7 +19,7 @@
 #ifndef __BTRFS_COMPRESSION_
 #define __BTRFS_COMPRESSION_
 
-int btrfs_init_compress(void);
+void btrfs_init_compress(void);
 void btrfs_exit_compress(void);
 
 int btrfs_compress_pages(int type, struct address_space *mapping,
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 15634d4..ece8d9f 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -1238,9 +1238,7 @@ static int __init init_btrfs_fs(void)
        if (err)
                return err;
 
-       err = btrfs_init_compress();
-       if (err)
-               goto free_sysfs;
+       btrfs_init_compress();
 
        err = btrfs_init_cachep();
        if (err)
@@ -1281,8 +1279,9 @@ free_cachep:
        btrfs_destroy_cachep();
 free_compress:
        btrfs_exit_compress();
-free_sysfs:
+
        btrfs_exit_sysfs();
+
        return err;
 }
 
-- 
1.7.6

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