1.45: Narrated Abu Huraira: Allah's Apostle said, "(A believer) who accompanies the funeral procession of a Muslim out of sincere faith and hoping to attain Allah's reward and remains with it till the funeral prayer is offered and the burial ceremonies are over, he will return with a reward of two Qirats. Each Qirat is like the size of the (Mount) Uhud. He who offers the funeral prayer only and returns before the burial, will return with the reward of one Qirat only." - OWN ISLAM -

1.45:
Narrated Abu Huraira: Allah's Apostle said, "(A believer) who
accompanies the funeral procession of a Muslim out of sincere
faith and hoping to attain Allah's reward and remains with it
till the funeral prayer is offered and the burial ceremonies
are over, he will return with a reward of two Qirats. Each
Qirat is like the size of the (Mount) Uhud. He who offers the
funeral prayer only and returns before the burial, will return
with the reward of one Qirat only."