linux-kernel - [PATCH 1/2] driver:mtd:use the wrapped __get_mtd_device in get_mtd_device

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Date:	Tue, 17 May 2011 22:36:18 +0800
From:	Wanlong Gao <wanlong.gao@...il.com>
To:	dwmw2@...radead.org, akpm@...ux-foundation.org
Cc:	linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Wanlong Gao <wanlong.gao@...il.com>
Subject: [PATCH 1/2] driver:mtd:use the wrapped __get_mtd_device in get_mtd_device_nm

From: Wanlong Gao <wanlong.gao@...il.com>

Use the wrapped function __get_mtd_device in the function
get_mtd_device_nm instead of these get device reference codes.

Signed-off-by: Wanlong Gao <wanlong.gao@...il.com>
---
 drivers/mtd/mtdcore.c |   12 ++----------
 1 files changed, 2 insertions(+), 10 deletions(-)

diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index da69bc8..9b7ad35 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -570,21 +570,13 @@ struct mtd_info *get_mtd_device_nm(const char *name)
 	if (!mtd)
 		goto out_unlock;
 
-	if (!try_module_get(mtd->owner))
+	err = __get_mtd_device(mtd);
+	if (err)
 		goto out_unlock;
 
-	if (mtd->get_device) {
-		err = mtd->get_device(mtd);
-		if (err)
-			goto out_put;
-	}
-
-	mtd->usecount++;
 	mutex_unlock(&mtd_table_mutex);
 	return mtd;
 
-out_put:
-	module_put(mtd->owner);
 out_unlock:
 	mutex_unlock(&mtd_table_mutex);
 	return ERR_PTR(err);
-- 
1.7.4.1

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