Drupal commerce: Link (Line Item) Commerce Line Item: Title (Product) to its node
Edit the view
In the view, add a 'Commerce Line item: Display path' field, and set to 'exclude from display'
Rearrange the field order so the display path is above 'Commerce Line Item: Title (Title)'
Edit the Title field, and click to expand the 'Rewrite results' fieldset
Check the box 'Output this field as a link'
Add '[commerce_display_path]' replacement in the 'Link path' (this should be in the list of 'Replacement patterns' below)
Save the view