i40e: Clean up dead code

The function i40e_client_prepare() can never return an error. So make it
void and quit checking its return value.

Change-ID: I9ff311e2324dde329eb68648efb2c94aaff856db
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

path: root/ioexact.h

#ifndef IOEXACT_H
#define IOEXACT_H

#include <stdbool.h>

extern ssize_t read_exact(int fd, void *buf, size_t len, bool mayexit);
extern ssize_t write_exact(int fd, void *buf, size_t len, bool mayexit);

#endif /* IOEXACT_H */