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virtio_console: Use strscpy() to instead of strncpy()

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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 <liubo03@inspur.com>
Link: https://lore.kernel.org/r/20230118012944.2436-1-liubo03@inspur.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Bo Liu 2023-01-17 20:29:44 -05:00 committed by Greg Kroah-Hartman
parent c6e29fe5e0
commit c7109c72ab
1 changed files with 2 additions and 3 deletions
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5
drivers/char/virtio_console.c
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@ -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',