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Date:   Wed, 8 Aug 2018 22:58:33 +0800
From:   zhong jiang <zhongjiang@...wei.com>
To:     <axboe@...nel.dk>, <jthumshirn@...e.de>,
        <martin.petersen@...cle.com>
CC:     <linux-kernel@...r.kernel.org>
Subject: [PATCH] drivers/block/mtip32xx: remove the null check for debugfs_remove_recursive

debugfs_remove_recursive has taken null pointer into account. So it is
safe to drop the null check before calling the funtion.

Signed-off-by: zhong jiang <zhongjiang@...wei.com>
---
 drivers/block/mtip32xx/mtip32xx.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c
index 2b6d6bc..d0666f5c 100644
--- a/drivers/block/mtip32xx/mtip32xx.c
+++ b/drivers/block/mtip32xx/mtip32xx.c
@@ -2574,8 +2574,7 @@ static int mtip_hw_debugfs_init(struct driver_data *dd)
 
 static void mtip_hw_debugfs_exit(struct driver_data *dd)
 {
-	if (dd->dfs_node)
-		debugfs_remove_recursive(dd->dfs_node);
+	debugfs_remove_recursive(dd->dfs_node);
 }
 
 /*
-- 
1.7.12.4

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