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Diffstat (limited to 'drivers/char/virtio_console.c')
-rw-r--r--drivers/char/virtio_console.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index f1fe11a344e9..458d907e3621 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -1194,12 +1194,23 @@ static void handle_control_message(struct ports_device *portdev,
1194 * have to notify the host first. 1194 * have to notify the host first.
1195 */ 1195 */
1196 break; 1196 break;
1197 case VIRTIO_CONSOLE_RESIZE: 1197 case VIRTIO_CONSOLE_RESIZE: {
1198 struct {
1199 __u16 rows;
1200 __u16 cols;
1201 } size;
1202
1198 if (!is_console_port(port)) 1203 if (!is_console_port(port))
1199 break; 1204 break;
1205
1206 memcpy(&size, buf->buf + buf->offset + sizeof(*cpkt),
1207 sizeof(size));
1208 set_console_size(port, size.rows, size.cols);
1209
1200 port->cons.hvc->irq_requested = 1; 1210 port->cons.hvc->irq_requested = 1;
1201 resize_console(port); 1211 resize_console(port);
1202 break; 1212 break;
1213 }
1203 case VIRTIO_CONSOLE_PORT_OPEN: 1214 case VIRTIO_CONSOLE_PORT_OPEN:
1204 port->host_connected = cpkt->value; 1215 port->host_connected = cpkt->value;
1205 wake_up_interruptible(&port->waitqueue); 1216 wake_up_interruptible(&port->waitqueue);