If only include 2017 RRSP contributions, I am below my limit but if add jan-feb 2018 I am $5K over. Declared all but only deducted a portion. Did I over contribute?

Here it's all the breakdown
1) 2017 RRSP limit => 22,265
2) Pension adjustment from employer T4 => 13,291
3) March 1 to Dec 31 2017 RRSP contributions =>7,910
4) Jan 1 to Feb 2018 RRSP contributions => 6,126
5)  RRSP amount used to deduct 2017 income=>8,970
6) RRSP unused to be carried over future years => 5,066