From c7109c72ab92dd6934b9ff8d45cb7e86f7a7ba0d Mon Sep 17 00:00:00 2001 From: Bo Liu Date: Tue, 17 Jan 2023 20:29:44 -0500 Subject: virtio_console: Use strscpy() to instead of strncpy() The implementation of strscpy() is more robust and safer. That's now the recommended way to copy NUL-terminated strings. Signed-off-by: Bo Liu Link: https://lore.kernel.org/r/20230118012944.2436-1-liubo03@inspur.com Signed-off-by: Greg Kroah-Hartman --- drivers/char/virtio_console.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'drivers/char/virtio_console.c') diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index 6a821118d553..d5ac4d955bc8 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -1666,9 +1666,8 @@ static void handle_control_message(struct virtio_device *vdev, "Not enough space to store port name\n"); break; } - strncpy(port->name, buf->buf + buf->offset + sizeof(*cpkt), - name_size - 1); - port->name[name_size - 1] = 0; + strscpy(port->name, buf->buf + buf->offset + sizeof(*cpkt), + name_size); /* * Since we only have one sysfs attribute, 'name', -- cgit v1.2.3