20f6790282
Calling release_attributes_data() while holding the "wmi_priv.mutex" will lead to a dead lock. The other problem is that if kzalloc() fails then this should return -ENOMEM but currently it returns success. Fixes: e8a60aa7404b ("platform/x86: Introduce support for Systems Management Driver over WMI for Dell Systems") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Link: https://lore.kernel.org/r/20201103101735.GB1127762@mwanda Signed-off-by: Hans de Goede <hdegoede@redhat.com>