linux-kernel - [PATCH] mmc: core: remove needless err = 0 in mmc_init

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Message-Id: <20210113113431.522-1-zbestahu@gmail.com>
Date:   Wed, 13 Jan 2021 19:34:31 +0800
From:   Yue Hu <zbestahu@...il.com>
To:     ulf.hansson@...aro.org
Cc:     linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org,
        huyue2@...ong.com, zbestahu@....com
Subject: [PATCH] mmc: core: remove needless err = 0 in mmc_init_card()

From: Yue Hu <huyue2@...ong.com>

Since they will always being in successful path to return 0 directly,
no need to set err = 0.

Signed-off-by: Yue Hu <huyue2@...ong.com>
---
 drivers/mmc/core/mmc.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index ff3063c..54ab1c7 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -1697,7 +1697,6 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
 			goto free_card;
 
 		if (err) {
-			err = 0;
 			/*
 			 * Just disable enhanced area off & sz
 			 * will try to enable ERASE_GROUP_DEF
@@ -1802,7 +1801,6 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
 			pr_warn("%s: Enabling HPI failed\n",
 				mmc_hostname(card->host));
 			card->ext_csd.hpi_en = 0;
-			err = 0;
 		} else {
 			card->ext_csd.hpi_en = 1;
 		}
@@ -1831,7 +1829,6 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
 			pr_warn("%s: Cache is supported, but failed to turn on (%d)\n",
 				mmc_hostname(card->host), err);
 			card->ext_csd.cache_ctrl = 0;
-			err = 0;
 		} else {
 			card->ext_csd.cache_ctrl = 1;
 		}
@@ -1851,7 +1848,6 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
 				mmc_hostname(card->host));
 			card->ext_csd.cmdq_support = false;
 			card->ext_csd.cmdq_depth = 0;
-			err = 0;
 		}
 	}
 	/*
-- 
1.9.1