The Girona goalkeeper did well and their defence, they should have scored but couldn't throughout the whole game time even with their home advantage, and then players like Lewandoski could not increase the number of goals they have scored in the league this season with that game. The league is already settled, Barcelona know they have won it, so I believe they they were not too much under any pressure to win the game.
This draw is not harmful for Barcelona and their chance to win La Liga but it is for Lewandowski in his personal race with Karim Benzema. Benzema had some injuries and missed many matches for Real Madrid in early of season but now he is healthy and on fire.
The gap between Lewy and Benzema is only 3 goals and we saw how Benzema can score 2 hattricks within a few days. It is no longer safely for Lewandowski to win Pinicchi with this gap and pressure from Karim Benzema. Lewandowski can hope that if Real Madrid go to semi final in Champions League, Real Madrid will want to reserve Benzema for Champions League and can save him on bench in some La Liga matches.