The only reason to do this is to enforce the ordering of deinitialization, when the conversion of the device-managed functions is done. The singleton object should be cleared right before it is free'd. Signed-off-by: Alexandru Ardelean <aardelean@xxxxxxxxxxx> --- drivers/platform/x86/toshiba_acpi.c | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c index 6d298810b7bf..c5284601bc2a 100644 --- a/drivers/platform/x86/toshiba_acpi.c +++ b/drivers/platform/x86/toshiba_acpi.c @@ -2995,9 +2995,6 @@ static int toshiba_acpi_remove(struct acpi_device *acpi_dev) rfkill_destroy(dev->wwan_rfk); } - if (toshiba_acpi) - toshiba_acpi = NULL; - return 0; } @@ -3012,6 +3009,11 @@ static const char *find_hci_method(acpi_handle handle) return NULL; } +static void toshiba_acpi_singleton_clear(void *data) +{ + toshiba_acpi = NULL; +} + static int toshiba_acpi_add(struct acpi_device *acpi_dev) { struct device *parent = &acpi_dev->dev; @@ -3035,6 +3037,13 @@ static int toshiba_acpi_add(struct acpi_device *acpi_dev) dev = devm_kzalloc(parent, sizeof(*dev), GFP_KERNEL); if (!dev) return -ENOMEM; + + ret = devm_add_action_or_reset(parent, + toshiba_acpi_singleton_clear, + NULL); + if (ret) + return ret; + dev->acpi_dev = acpi_dev; dev->method_hci = hci_method; dev->miscdev.minor = MISC_DYNAMIC_MINOR; -- 2.30.2