linux-kernel - [PATCH 5.4 245/261] mtd: rawnand: ingenic: Fix the probe error path

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Message-Id: <20200619141701.622811509@linuxfoundation.org>
Date:   Fri, 19 Jun 2020 16:34:16 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Miquel Raynal <miquel.raynal@...tlin.com>,
        Paul Cercueil <paul@...pouillou.net>,
        Harvey Hunt <harveyhuntnexus@...il.com>
Subject: [PATCH 5.4 245/261] mtd: rawnand: ingenic: Fix the probe error path

From: Miquel Raynal <miquel.raynal@...tlin.com>

commit de17cade0e034e9b721a6db9b488014effac1e5a upstream.

nand_release() is supposed be called after MTD device registration.
Here, only nand_scan() happened, so use nand_cleanup() instead.

There is no real Fixes tag applying here as the use of nand_release()
in this driver predates the introduction of nand_cleanup() in
commit d44154f969a4 ("mtd: nand: Provide nand_cleanup() function to free NAND related resources")
which makes this change possible. Hence, pointing it as the commit to
fix for backporting purposes, even if this commit is not introducing
any bug makes sense.

Fixes: d44154f969a4 ("mtd: nand: Provide nand_cleanup() function to free NAND related resources")
Signed-off-by: Miquel Raynal <miquel.raynal@...tlin.com>
Cc: stable@...r.kernel.org
Cc: Paul Cercueil <paul@...pouillou.net>
Cc: Harvey Hunt <harveyhuntnexus@...il.com>
Link: https://lore.kernel.org/linux-mtd/20200519130035.1883-22-miquel.raynal@bootlin.com
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/mtd/nand/raw/ingenic/ingenic_nand_drv.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/mtd/nand/raw/ingenic/ingenic_nand_drv.c
+++ b/drivers/mtd/nand/raw/ingenic/ingenic_nand_drv.c
@@ -376,7 +376,7 @@ static int ingenic_nand_init_chip(struct
 
 	ret = mtd_device_register(mtd, NULL, 0);
 	if (ret) {
-		nand_release(chip);
+		nand_cleanup(chip);
 		return ret;
 	}