linux-kernel - [PATCH v2 4/5] mtd: core: Drop duplicate NULL checks around nvmem

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Date:   Mon, 24 Jan 2022 20:00:39 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Miquel Raynal <miquel.raynal@...tlin.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org
Cc:     Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>,
        Andreas Noever <andreas.noever@...il.com>,
        Michael Jamet <michael.jamet@...el.com>,
        Yehezkel Bernat <YehezkelShB@...il.com>
Subject: [PATCH v2 4/5] mtd: core: Drop duplicate NULL checks around nvmem_unregister()

Since nvmem_unregister() checks for NULL, no need to repeat in
the caller. Drop duplicate NULL checks.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Acked-by: Miquel Raynal <miquel.raynal@...tlin.com>
---
v2: added tag (Miquel)
 drivers/mtd/mtdcore.c | 13 ++++---------
 1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index 70f492dce158..010ffc34532a 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -742,8 +742,7 @@ int del_mtd_device(struct mtd_info *mtd)
 		debugfs_remove_recursive(mtd->dbg.dfs_dir);
 
 		/* Try to remove the NVMEM provider */
-		if (mtd->nvmem)
-			nvmem_unregister(mtd->nvmem);
+		nvmem_unregister(mtd->nvmem);
 
 		device_unregister(&mtd->dev);
 
@@ -921,8 +920,7 @@ static int mtd_otp_nvmem_add(struct mtd_info *mtd)
 	return 0;
 
 err:
-	if (mtd->otp_user_nvmem)
-		nvmem_unregister(mtd->otp_user_nvmem);
+	nvmem_unregister(mtd->otp_user_nvmem);
 	return err;
 }
 
@@ -1026,11 +1024,8 @@ int mtd_device_unregister(struct mtd_info *master)
 		memset(&master->reboot_notifier, 0, sizeof(master->reboot_notifier));
 	}
 
-	if (master->otp_user_nvmem)
-		nvmem_unregister(master->otp_user_nvmem);
-
-	if (master->otp_factory_nvmem)
-		nvmem_unregister(master->otp_factory_nvmem);
+	nvmem_unregister(master->otp_user_nvmem);
+	nvmem_unregister(master->otp_factory_nvmem);
 
 	err = del_mtd_partitions(master);
 	if (err)
-- 
2.34.1