[PATCH 6.12 075/113] platform/x86: hp-bioscfg: Skip empty attribute names

Greg Kroah-Hartman
2026-02-09T14:39:04Z

From: Mario Limonciello <mario.limonciello@amd.com>

[ Upstream commit 6222883af286e2feb3c9ff2bf9fd8fdf4220c55a ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/platform/x86/hp/hp-bioscfg/bioscfg.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/drivers/platform/x86/hp/hp-bioscfg/bioscfg.c b/drivers/platform/x86/hp/hp-bioscfg/bioscfg.c
index 405b248442ab0..3571780f5ef89 100644
--- a/drivers/platform/x86/hp/hp-bioscfg/bioscfg.c
+++ b/drivers/platform/x86/hp/hp-bioscfg/bioscfg.c
@@ -699,6 +699,11 @@ 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) {
--
2.51.0