Some of the failure scenarios weren't releasing acquired mutexes. Here are some patches that correct them. Mario Limonciello (2): platform/x86: wmi: release mutex on module acquistion failure platform/x86: dell-smbios-wmi: release mutex lock on WMI call failure drivers/platform/x86/dell-smbios-wmi.c | 7 +++++-- drivers/platform/x86/wmi.c | 6 ++++-- 2 files changed, 9 insertions(+), 4 deletions(-) -- 2.7.4