This hadith has been narrated on the authority of Abu Qatada, but there is no mention of the words of Abu Salama:
"I saw dreams (which perturbed me) but I did not cover myself with a mantle." (IT)
Reference (IT): Sahih Muslim 2261 b (IT)
In-book reference (IT): Book 42, Hadith 2 (IT)
USC-MSA web (English) reference(deprecated numbering scheme): Book 29, Hadith 5614 (IT)