came up smelling of roses?

[Nenad11]

English Language Tests, Intermediate level

ESL/EFL Test #324 "English Slang Idioms (45)", question 10

"We checked him out, Chief, but he came up ......... of roses," the policeman said.

(a) smelling
(b) planting
(c) selling
(d) giving

English Language Tests, Intermediate level

ESL/EFL Test #324 "English Slang Idioms (45)", answer 10

"We checked him out, Chief, but he came up smelling of roses," the policeman said.

Correct answer: (a) smelling

Your answer was: correct
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Does to come up smelling of roses means to be
inocent,to be deprieved of any further suspision related to the allegedly investigation concerning some sort of an illegal deed,action?