diff options
| author | Hans de Goede <hdegoede@redhat.com> | 2021-03-21 14:59:00 +0300 |
|---|---|---|
| committer | Hans de Goede <hdegoede@redhat.com> | 2021-03-21 19:41:24 +0300 |
| commit | 9b95665a83ec555f441f5681daa58f75828d0255 (patch) | |
| tree | 1e652657a8eb1bdeadefea5656afc91fd11bd439 /drivers/platform/x86/dell/dell-wmi-sysman/sysman.c | |
| parent | eaa1dcc79694674494620ee62098b937ef758df8 (diff) | |
| download | linux-9b95665a83ec555f441f5681daa58f75828d0255.tar.xz | |
platform/x86: dell-wmi-sysman: Make sysman_init() return -ENODEV of the interfaces are not found
When either the attributes or the password interface is not found, then
unregister the 2 wmi drivers again and return -ENODEV from sysman_init().
Fixes: e8a60aa7404b ("platform/x86: Introduce support for Systems Management Driver over WMI for Dell Systems")
Cc: Divya Bharathi <Divya_Bharathi@dell.com>
Cc: Mario Limonciello <mario.limonciello@dell.com>
Reported-by: Alexander Naumann <alexandernaumann@gmx.de>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20210321115901.35072-7-hdegoede@redhat.com
Diffstat (limited to 'drivers/platform/x86/dell/dell-wmi-sysman/sysman.c')
| -rw-r--r-- | drivers/platform/x86/dell/dell-wmi-sysman/sysman.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/platform/x86/dell/dell-wmi-sysman/sysman.c b/drivers/platform/x86/dell/dell-wmi-sysman/sysman.c index 99dc2f3bdf49..5dd9b29d939c 100644 --- a/drivers/platform/x86/dell/dell-wmi-sysman/sysman.c +++ b/drivers/platform/x86/dell/dell-wmi-sysman/sysman.c @@ -506,15 +506,17 @@ static int __init sysman_init(void) } ret = init_bios_attr_set_interface(); - if (ret || !wmi_priv.bios_attr_wdev) { - pr_debug("failed to initialize set interface\n"); + if (ret) return ret; - } ret = init_bios_attr_pass_interface(); - if (ret || !wmi_priv.password_attr_wdev) { - pr_debug("failed to initialize pass interface\n"); + if (ret) goto err_exit_bios_attr_set_interface; + + if (!wmi_priv.bios_attr_wdev || !wmi_priv.password_attr_wdev) { + pr_debug("failed to find set or pass interface\n"); + ret = -ENODEV; + goto err_exit_bios_attr_pass_interface; } ret = class_register(&firmware_attributes_class); |