linux-kernel - [PATCH 5.18 090/141] i2c: npcm7xx: Add check for platform_driver

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Message-Id: <20220620124732.205494349@linuxfoundation.org>
Date:   Mon, 20 Jun 2022 14:50:28 +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, Jiasheng Jiang <jiasheng@...as.ac.cn>,
        Tali Perry <tali.perry1@...il.com>,
        Wolfram Sang <wsa@...nel.org>, Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.18 090/141] i2c: npcm7xx: Add check for platform_driver_register

From: Jiasheng Jiang <jiasheng@...as.ac.cn>

[ Upstream commit 6ba12b56b9b844b83ed54fb7ed59fb0eb41e4045 ]

As platform_driver_register() could fail, it should be better
to deal with the return value in order to maintain the code
consisitency.

Fixes: 56a1485b102e ("i2c: npcm7xx: Add Nuvoton NPCM I2C controller driver")
Signed-off-by: Jiasheng Jiang <jiasheng@...as.ac.cn>
Acked-by: Tali Perry <tali.perry1@...il.com>
Signed-off-by: Wolfram Sang <wsa@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/i2c/busses/i2c-npcm7xx.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/i2c/busses/i2c-npcm7xx.c b/drivers/i2c/busses/i2c-npcm7xx.c
index c638f2efb97c..743ac20a405c 100644
--- a/drivers/i2c/busses/i2c-npcm7xx.c
+++ b/drivers/i2c/busses/i2c-npcm7xx.c
@@ -2369,8 +2369,7 @@ static struct platform_driver npcm_i2c_bus_driver = {
 static int __init npcm_i2c_init(void)
 {
 	npcm_i2c_debugfs_dir = debugfs_create_dir("npcm_i2c", NULL);
-	platform_driver_register(&npcm_i2c_bus_driver);
-	return 0;
+	return platform_driver_register(&npcm_i2c_bus_driver);
 }
 module_init(npcm_i2c_init);
 
-- 
2.35.1