diff options
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/virtio_console.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index 6cc832b45185..de03df9dd7c9 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -669,8 +669,8 @@ done: * Give out the data that's requested from the buffer that we have * queued up. */ -static ssize_t fill_readbuf(struct port *port, char *out_buf, size_t out_count, - bool to_user) +static ssize_t fill_readbuf(struct port *port, char __user *out_buf, + size_t out_count, bool to_user) { struct port_buffer *buf; unsigned long flags; @@ -688,7 +688,8 @@ static ssize_t fill_readbuf(struct port *port, char *out_buf, size_t out_count, if (ret) return -EFAULT; } else { - memcpy(out_buf, buf->buf + buf->offset, out_count); + memcpy((__force char *)out_buf, buf->buf + buf->offset, + out_count); } buf->offset += out_count; @@ -1162,7 +1163,7 @@ static int get_chars(u32 vtermno, char *buf, int count) /* If we don't have an input queue yet, we can't get input. */ BUG_ON(!port->in_vq); - return fill_readbuf(port, buf, count, false); + return fill_readbuf(port, (__force char __user *)buf, count, false); } static void resize_console(struct port *port) |