cli: cmd_usage() should not affect the command return value

When a cli command fails, its return status should propagate to the
caller without being replaced with cmd_usage() return value.

BUG=none
TEST=observed command usage still reported properly

Change-Id: I06b0607b39bb3fd96d805bf254cbb853d30f8f5d
Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/202935
Reviewed-by: Stefan Reinauer <reinauer@chromium.org>
1 file changed