linux-kernel - [PATCH] i2c: npcm7xx: barco-p50-gpio: Add check for platform_driver

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Date:   Thu, 26 May 2022 17:41:00 +0800
From:   Jiasheng Jiang <jiasheng@...as.ac.cn>
To:     avifishman70@...il.com, tmaimon77@...il.com, tali.perry1@...il.com,
        venture@...gle.com, yuenn@...gle.com, benjaminfair@...gle.com
Cc:     openbmc@...ts.ozlabs.org, linux-i2c@...r.kernel.org,
        linux-kernel@...r.kernel.org, Jiasheng Jiang <jiasheng@...as.ac.cn>
Subject: [PATCH] i2c: npcm7xx: barco-p50-gpio: Add check for platform_driver_register

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>
---
 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 71aad029425d..08737fa2dcbf 100644
--- a/drivers/i2c/busses/i2c-npcm7xx.c
+++ b/drivers/i2c/busses/i2c-npcm7xx.c
@@ -2336,8 +2336,7 @@ 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);
 
-- 
2.25.1