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mfd: sm501: Add check for platform_driver_register()

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[ Upstream commit 8325a6c24ad78b8c1acc3c42b098ee24105d68e5 ]

As platform_driver_register() can return error numbers,
it should be better to check platform_driver_register()
and deal with the exception.

Fixes: b6d6454fdb66 ("[PATCH] mfd: SM501 core driver")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20220913091112.1739138-1-jiasheng@iscas.ac.cn
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jiasheng Jiang 2022-09-13 17:11:12 +08:00 committed by Greg Kroah-Hartman
parent d43d93dbd8
commit 2dafc5afd9
1 changed files with 6 additions and 1 deletions
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7
drivers/mfd/sm501.c
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@ -1720,7 +1720,12 @@ static struct platform_driver sm501_plat_driver = {
static int __init sm501_base_init(void)
{
platform_driver_register(&sm501_plat_driver);
int ret;
ret = platform_driver_register(&sm501_plat_driver);
if (ret < 0)
return ret;
return pci_register_driver(&sm501_pci_driver);
}