linux-kernel - [PATCH] mtd: mtdswap: use MTDSWAP_ECNT

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Date:   Tue, 20 Dec 2016 21:54:33 +0800
From:   Geliang Tang <geliangtang@...il.com>
To:     David Woodhouse <dwmw2@...radead.org>,
        Brian Norris <computersforpeace@...il.com>,
        Boris Brezillon <boris.brezillon@...e-electrons.com>,
        Marek Vasut <marek.vasut@...il.com>,
        Richard Weinberger <richard@....at>,
        Cyrille Pitchen <cyrille.pitchen@...el.com>
Cc:     Geliang Tang <geliangtang@...il.com>,
        linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH] mtd: mtdswap: use MTDSWAP_ECNT_MIN/MAX

Since macros MTDSWAP_ECNT_MIN() and MTDSWAP_ECNT_MAX() have been
defined in mtdswap.c, use them instead of open-coding.

Signed-off-by: Geliang Tang <geliangtang@...il.com>
---
 drivers/mtd/mtdswap.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/mtd/mtdswap.c b/drivers/mtd/mtdswap.c
index c40e2c9..f12879a 100644
--- a/drivers/mtd/mtdswap.c
+++ b/drivers/mtd/mtdswap.c
@@ -1235,10 +1235,8 @@ static int mtdswap_show(struct seq_file *s, void *data)
 
 		if (root->rb_node) {
 			count[i] = d->trees[i].count;
-			min[i] = rb_entry(rb_first(root), struct swap_eb,
-					rb)->erase_count;
-			max[i] = rb_entry(rb_last(root), struct swap_eb,
-					rb)->erase_count;
+			min[i] = MTDSWAP_ECNT_MIN(root);
+			max[i] = MTDSWAP_ECNT_MAX(root);
 		} else
 			count[i] = 0;
 	}
-- 
2.9.3