- __s32 line; /* PPP channel number */
- struct tty_struct *tty; /* ptr to TTY structure */
- __s32 bytes_sent; /* Bytes sent on frame */
- __s32 bytes_rcvd; /* Bytes recvd on frame */
+ __s32 line; /* PPP channel number */
+ struct tty_struct *tty; /* ptr to TTY structure */
+ struct tty_struct *backup_tty; /* TTY to use if tty gets closed */
+ __s32 bytes_sent; /* Bytes sent on frame */
+ __s32 bytes_rcvd; /* Bytes recvd on frame */