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." (FR)
Reference (FR): Sahih Muslim 2261 b (FR)
In-book reference (FR): Book 42, Hadith 2 (FR)
USC-MSA web (English) reference(deprecated numbering scheme): Book 29, Hadith 5614 (FR)