dm: mei: check for state before link reset callback

Prevent intercepting reset callback if reset state
transition is already in progress.

Tracked-On: #1846
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Acked-by: Acked-by: Yu Wang <yu1.wang@intel.com>

devicemodel/hw/pci/virtio/virtio_mei.c

@@ -1984,6 +1984,9 @@ vmei_reset_callback(int fd, enum ev_type type, void *param)
 	char buf[MEI_DEV_STATE_LEN] = {0};
 	int sz;
 
+	if (vmei->status != VMEI_STS_READY)
+		return;
+
 	lseek(fd, 0, SEEK_SET);
 	sz = read(fd, buf, 12);
 	if (first_time) {