tree e0e1ceeefad7bea55edee4c529dc766f30c03b6d
parent be38d53dec22e41565d0a23de82df9b778e90b73
author Sarthak Kukreti <sarthakkukreti@chromium.org> 1632968490 -0700
committer Sarthak Kukreti <sarthakkukreti@chromium.org> 1633022170 +0000

update_kernel: Use rootdev for getting the device to update the kernel

Use rootdev to get the kernel/root partition pair to update instead
of using the stateful filesystem's device.

BUG=none
TEST=./update_kernel works with an LVM stateful filesystem

Change-Id: Iad207115f9c52793f01a4dee9916bc2834304ac5
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosutils/+/3195048
Tested-by: Sarthak Kukreti <sarthakkukreti@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>