platform/x86: hp-bioscfg: Skip empty attribute names

Avoid registering kobjects with empty names when a BIOS attribute
name decodes to an empty string.

Fixes: a34fc329b1895 ("platform/x86: hp-bioscfg: bioscfg")
Reported-by: Alain Cousinie <alain.cousinie@laposte.net>
Closes: https://lore.kernel.org/platform-driver-x86/22ed5f78-c8bf-4ab4-8c38-420cc0201e7e@laposte.net/
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://patch.msgid.link/20260128190501.2170068-1-mario.limonciello@amd.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>

diff --git a/drivers/platform/x86/hp/hp-bioscfg/bioscfg.c b/drivers/platform/x86/hp/hp-bioscfg/bioscfg.c
index dbe096eefa75826be10ff56764026ad975d76aa3..51e8977d3eb4a8e9ae5a9c77533fb5eb84ce2afa 100644 (file)
--- a/drivers/platform/x86/hp/hp-bioscfg/bioscfg.c
+++ b/drivers/platform/x86/hp/hp-bioscfg/bioscfg.c
@@ -696,6 +696,11 @@ static int hp_init_bios_package_attribute(enum hp_wmi_data_type attr_type,
                return ret;
        }
 
+       if (!str_value || !str_value[0]) {
+               pr_debug("Ignoring attribute with empty name\n");
+               goto pack_attr_exit;
+       }
+
        /* All duplicate attributes found are ignored */
        duplicate = kset_find_obj(temp_kset, str_value);
        if (duplicate) {