[PATCH] ubifs: compress lines for immediate return

[Heiko Schocher]

fix the following code:

-ret = expression;
-if (ret)
-        return ret;
-return 0;
+return expression;

From: Masahiro Yamada <yamada.masah...@socionext.com>
posted on the U-Boot mailinglist.

Signed-off-by: Heiko Schocher <h...@denx.de>
---

 fs/ubifs/budget.c     | 7 ++-----
 fs/ubifs/gc.c         | 6 ++----
 fs/ubifs/lpt_commit.c | 5 +----
 3 files changed, 5 insertions(+), 13 deletions(-)

diff --git a/fs/ubifs/budget.c b/fs/ubifs/budget.c
index 11a11b3..48d6851 100644
--- a/fs/ubifs/budget.c
+++ b/fs/ubifs/budget.c
@@ -77,7 +77,7 @@ static void shrink_liability(struct ubifs_info *c, int 
nr_to_write)
  */
 static int run_gc(struct ubifs_info *c)
 {
-       int err, lnum;
+       int lnum;
 
        /* Make some free space by garbage-collecting dirty space */
        down_read(&c->commit_sem);
@@ -88,10 +88,7 @@ static int run_gc(struct ubifs_info *c)
 
        /* GC freed one LEB, return it to lprops */
        dbg_budg("GC freed LEB %d", lnum);
-       err = ubifs_return_leb(c, lnum);
-       if (err)
-               return err;
-       return 0;
+       return = ubifs_return_leb(c, lnum);
 }
 
 /**
diff --git a/fs/ubifs/gc.c b/fs/ubifs/gc.c
index 821b348..88cd61d 100644
--- a/fs/ubifs/gc.c
+++ b/fs/ubifs/gc.c
@@ -297,10 +297,8 @@ static int sort_nodes(struct ubifs_info *c, struct 
ubifs_scan_leb *sleb,
        err = dbg_check_data_nodes_order(c, &sleb->nodes);
        if (err)
                return err;
-       err = dbg_check_nondata_nodes_order(c, nondata);
-       if (err)
-               return err;
-       return 0;
+
+       return dbg_check_nondata_nodes_order(c, nondata);
 }
 
 /**
diff --git a/fs/ubifs/lpt_commit.c b/fs/ubifs/lpt_commit.c
index ce89bdc..79a8e96 100644
--- a/fs/ubifs/lpt_commit.c
+++ b/fs/ubifs/lpt_commit.c
@@ -313,10 +313,7 @@ static int layout_cnodes(struct ubifs_info *c)
        alen = ALIGN(offs, c->min_io_size);
        upd_ltab(c, lnum, c->leb_size - alen, alen - offs);
        dbg_chk_lpt_sz(c, 4, alen - offs);
-       err = dbg_chk_lpt_sz(c, 3, alen);
-       if (err)
-               return err;
-       return 0;
+       return dbg_chk_lpt_sz(c, 3, alen);
 
 no_space:
        ubifs_err(c, "LPT out of space at LEB %d:%d needing %d, done_ltab %d, 
done_lsave %d",
-- 
2.5.5