On Mon, Feb 5, 2018 at 4:14 PM, Jan Beulich <jbeul...@suse.com> wrote: >>>> On 05.02.18 at 16:03, <a...@arndb.de> wrote: >> int xen_event_channel_op_compat(int cmd, void *arg) >> { >> - struct evtchn_op op; >> + struct evtchn_op op = { .cmd = cmd, }; >> + size_t len; >> int rc; >> >> - op.cmd = cmd; >> - memcpy(&op.u, arg, sizeof(op.u)); >> - rc = _hypercall1(int, event_channel_op_compat, &op); >> - >> - switch (cmd) { >> - case EVTCHNOP_close: >> - case EVTCHNOP_send: >> - case EVTCHNOP_bind_vcpu: >> - case EVTCHNOP_unmask: >> - /* no output */ >> - break; >> + if (cmd > ARRAY_SIZE(evtchnop_len)) >> + return -ENOSYS; > >>= perhaps?
Argh, of course. This is why I preferred the switch/case version, I knew I'd screw this up somehow ;-) Arnd _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel