modem: Properly check for symlink hairiness.

cromo's init script tries to make sure the config group file exists and is
safe to write, but we should double-check before we write it that it really
points to the right place.

TEST=Adhoc; properly rejects symlinks

Change-Id: I6b2f6b9a142611f3f376653bc25d0e98cde78572
Reviewed-by: Jim Hebert <>
Reviewed-by: ttuttle <>
Tested-by: ttuttle <>
1 file changed