As platform_driver_register() and register_rpmsg_driver() can return error numbers, it should be better to check the return value and deal with the exception. Signed-off-by: Chen Ni <nichen@xxxxxxxxxxx> --- drivers/soc/qcom/pmic_glink.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/drivers/soc/qcom/pmic_glink.c b/drivers/soc/qcom/pmic_glink.c index 40fb09d69014..8534a9692c45 100644 --- a/drivers/soc/qcom/pmic_glink.c +++ b/drivers/soc/qcom/pmic_glink.c @@ -369,8 +369,17 @@ static struct platform_driver pmic_glink_driver = { static int pmic_glink_init(void) { - platform_driver_register(&pmic_glink_driver); - register_rpmsg_driver(&pmic_glink_rpmsg_driver); + int ret; + + ret = platform_driver_register(&pmic_glink_driver); + if (ret < 0) + return ret; + + ret = register_rpmsg_driver(&pmic_glink_rpmsg_driver); + if (ret < 0) { + platform_driver_unregister(&pmic_glink_driver); + return ret; + } return 0; } -- 2.25.1