The ret variable can be used uninitialised when iters is 0. Initialise
ret at the beginning to fix this issue.
Reported-by: Steven Haigh <netwiz@crc.id.au>
Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
(cherry picked from commit 3a2b8525b8)