Discovered by static code analysis tool.  If for some reason communication
with the host fails more than preset number of retries, return an error
instead of return garbage.
Signed-off-by: NSinclair Yeh <syeh@vmware.com>
Reviewed-by: NCharmaine Lee <charmainel@vmware.com>
Reported-by: NDan Carpenter <dan.carpenter@oracle.com>