The check for prep_req is good enough to flag error. The return var
passed around is redundant. Fixing this. Also making the functions
return correct error values in case of various failures.
In addition, adding unlikely flag for all error checks.
Signed-off-by: Ankur Dwivedi <adwivedi@marvell.com>
Signed-off-by: Anoob Joseph <anoobj@marvell.com>
Signed-off-by: Archana Muniganti <marchana@marvell.com>
f39928e656