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Subject[PATCH] ubifs: compress lines for immediate return
Date
fix the following code:

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

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

Signed-off-by: Heiko Schocher <hs@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
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