linux-kernel - [PATCH 12/13] mtd: core: Drop duplicate NULL checks around nvmem

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Date:   Sun, 20 Feb 2022 15:15:26 +0000
From:   Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:     gregkh@...uxfoundation.org
Cc:     linux-kernel@...r.kernel.org,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Subject: [PATCH 12/13] mtd: core: Drop duplicate NULL checks around nvmem_unregister()

From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

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>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
---
 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 eef87b28d6c8..fc6090366684 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -743,8 +743,7 @@ 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);
 
@@ -923,8 +922,7 @@ 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;
 }
 
@@ -1028,11 +1026,8 @@ 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)
-- 
2.21.0