9d15134d06
Rework the get property descriptors function to fix a memory handling error for the response structure. This could corrupt the stack and throw nonalignment PC or SP error: Internal error: SP or PC abort: 8a000000 1 PREEMPT SMP Modules linked in: gb_power_supply(O) gb_arche(O) gb_camera(O) gb_es2(O) gb_vibrator(O) gb_raw(O) g] CPU: 3 PID: 51 Comm: kworker/u16:2 Tainted: G W O 3.10.73-g8a6af60-00118-g599a5c1 #1 Workqueue: greybus1:svc gb_svc_connection_destroy [greybus] task: ffffffc0ba249580 ti: ffffffc0ba294000 task.ti: ffffffc0ba294000 PC is at gb_power_supply_connection_init+0x81/0x1dc [gb_power_supply] LR is at gb_power_supply_connection_init+0x81/0x1dc [gb_power_supply] pc : [<ffffffbffc03b901>] lr : [<ffffffbffc03b901>] pstate: 80000145 sp : ffffffc0ba297a00 x29: 32002e002a001100 x28: ffffffc042cb2c80 To fix this, allocate firstly the operation and handle request and response using operation payload. Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>