[PATCH] mxser: remove useless fields

the session and pgrp fields in mxser_struct are unused.
Signed-off-by: NCedric Le Goater <clg@fr.ibm.com>
Cc: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

drivers/char/mxser.c

@@ -321,8 +321,6 @@ struct mxser_struct {
 	unsigned long event;
 	int count;		/* # of fd on device */
 	int blocked_open;	/* # of blocked opens */
-	long session;		/* Session of opening process */
-	long pgrp;		/* pgrp of opening process */
 	unsigned char *xmit_buf;
 	int xmit_head;
 	int xmit_tail;
@@ -1001,15 +999,12 @@ static int mxser_open(struct tty_struct *tty, struct file *filp)
 		mxser_change_speed(info, NULL);
 	}
 
-	info->session = process_session(current);
-	info->pgrp = process_group(current);
-
 	/*
 	status = mxser_get_msr(info->base, 0, info->port);
 	mxser_check_modem_status(info, status);
 	*/
 
-/* unmark here for very high baud rate (ex. 921600 bps) used */
+	/* unmark here for very high baud rate (ex. 921600 bps) used */
 	tty->low_latency = 1;
 	return 0;
 }