HID: hid-input: Fix accessing freed memory during device disconnect

During unbinding the driver was dereferencing a pointer to memory
already freed by power_supply_unregister().

Driver was freeing its internal description of battery through pointers
stored in power_supply structure. However, because the core owns the
power supply instance, after calling power_supply_unregister() this
memory is freed and the driver cannot access these members.

Fix this by storing the pointer to internal description of battery in a
local variable before calling power_supply_unregister(), so the pointer
remains valid.

Signed-off-by: Krzysztof Kozlowski <[email protected]>
Reported-by: H.J. Lu <[email protected]>
Fixes: 297d716f6260 ("power_supply: Change ownership from driver to core")
Cc: <[email protected]>
Reviewed-by: Dmitry Torokhov <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>

0 files changed, 0 insertions, 0 deletions