Expanding an array without an index only gives the first element

migrate2rocky/migrate2rocky.sh

@@ -482,7 +482,7 @@ collect_system_info () {
         efi_disk=("$(lsblk -dno pkname "/dev/$kname")")
 
         if [[ ${efi_disk[0]} ]]; then
-	    efi_partition=("$(<"/sys/block/$efi_disk/$kname/partition")")
+	    efi_partition=("$(<"/sys/block/${efi_disk[0]}/$kname/partition")")
         else
             # This is likely an md-raid or other type of virtual disk, we need
             # to dig a little deeper to find the actual physical disks and