From: Jiasheng Jiang jiasheng@iscas.ac.cn
[ 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 --- drivers/mfd/sm501.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c index 6d2f4a0a901d..37ad72d8cde2 100644 --- a/drivers/mfd/sm501.c +++ b/drivers/mfd/sm501.c @@ -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); }