Fix issues reported by kernel test robot. - Require DMI for think-lmi. - Check return from getting serial string Reported-by: kernel test robot <lkp@xxxxxxxxx> Closes: https://lore.kernel.org/oe-kbuild-all/202506062319.F0IpDxF6-lkp@xxxxxxxxx/ Signed-off-by: Mark Pearson <mpearson-lenovo@xxxxxxxxx> --- Changes in v4: - Return -ENODEV instead of -EINVAL - Make patch first in series - Clean up commit message (empty line) Changes in v3: - New patch added to series. drivers/platform/x86/Kconfig | 1 + drivers/platform/x86/think-lmi.c | 8 +++++--- 2 files changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig index e5cbd58a99f3..9f39547d98f6 100644 --- a/drivers/platform/x86/Kconfig +++ b/drivers/platform/x86/Kconfig @@ -659,6 +659,7 @@ config THINKPAD_ACPI_HOTKEY_POLL config THINKPAD_LMI tristate "Lenovo WMI-based systems management driver" depends on ACPI_WMI + depends on DMI select FW_ATTR_CLASS help This driver allows changing BIOS settings on Lenovo machines whose diff --git a/drivers/platform/x86/think-lmi.c b/drivers/platform/x86/think-lmi.c index 00b1e7c79a3d..02ede1ec99e9 100644 --- a/drivers/platform/x86/think-lmi.c +++ b/drivers/platform/x86/think-lmi.c @@ -772,6 +772,7 @@ static ssize_t certificate_store(struct kobject *kobj, struct tlmi_pwd_setting *setting = to_tlmi_pwd_setting(kobj); enum cert_install_mode install_mode = TLMI_CERT_INSTALL; char *auth_str, *new_cert; + const char *serial; char *signature; char *guid; int ret; @@ -789,9 +790,10 @@ static ssize_t certificate_store(struct kobject *kobj, return -EACCES; /* Format: 'serial#, signature' */ - auth_str = cert_command(setting, - dmi_get_system_info(DMI_PRODUCT_SERIAL), - setting->signature); + serial = dmi_get_system_info(DMI_PRODUCT_SERIAL); + if (!serial) + return -ENODEV; + auth_str = cert_command(setting, serial, setting->signature); if (!auth_str) return -ENOMEM; -- 2.43.0 _______________________________________________ ibm-acpi-devel mailing list ibm-acpi-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/ibm-acpi-devel
