linux-kernel - [PATCH] memstick: core: fix error return code of mspro_block

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Message-Id: <20210305021445.3435-1-baijiaju1990@gmail.com>
Date:   Thu,  4 Mar 2021 18:14:45 -0800
From:   Jia-Ju Bai <baijiaju1990@...il.com>
To:     maximlevitsky@...il.com, oakad@...oo.com, ulf.hansson@...aro.org,
        trix@...hat.com
Cc:     linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jia-Ju Bai <baijiaju1990@...il.com>
Subject: [PATCH] memstick: core: fix error return code of mspro_block_resume()

When mspro_block_init_card() fails, no error return code of 
mspro_block_resume() is assigned.
To fix this bug, rc is assigned with the return value of 
mspro_block_init_card(), and then rc is checked.

Reported-by: TOTE Robot <oslab@...nghua.edu.cn>
Signed-off-by: Jia-Ju Bai <baijiaju1990@...il.com>
---
 drivers/memstick/core/mspro_block.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/memstick/core/mspro_block.c b/drivers/memstick/core/mspro_block.c
index afb892e7ffc6..cf7fe0d58ee7 100644
--- a/drivers/memstick/core/mspro_block.c
+++ b/drivers/memstick/core/mspro_block.c
@@ -1382,7 +1382,8 @@ static int mspro_block_resume(struct memstick_dev *card)
 
 	new_msb->card = card;
 	memstick_set_drvdata(card, new_msb);
-	if (mspro_block_init_card(card))
+	rc = mspro_block_init_card(card);
+	if (rc)
 		goto out_free;
 
 	for (cnt = 0; new_msb->attr_group.attrs[cnt]
-- 
2.17.1