Commit 423c4f19 authored May 18, 2021 by shisiyuan

KillZramBackingDevice: Return immediately if backing_dev is none.



It's possible that CONFIG_ZRAM_WRITEBACK is y,
but userspace doesn't set the /sys/block/zram0/backing_dev,
so its value is 'none'.
It's the same with "CONFIG_ZRAM_WRITEBACK is not set".

Change-Id: I2df89ceee68e4685deef5113bada21be96779e9b
Signed-off-by: shisiyuan <shisiyuan@xiaomi.com>

parent a6c57d57

init/reboot.cpp

+5 −0

Original line number	Diff line number	Diff line
		@@ -478,6 +478,11 @@ static Result<void> KillZramBackingDevice() {
		// cut the last "\n"
		backing_dev.erase(backing_dev.length() - 1);

		if (android::base::StartsWith(backing_dev, "none")) {
		LOG(INFO) << "No zram backing device configured";
		return {};
		}

		// shutdown zram handle
		Timer swap_timer;
		LOG(INFO) << "swapoff() start...";