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Commit c387fd85 authored by Jiri Slaby's avatar Jiri Slaby Committed by Linus Torvalds
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[PATCH] Char: isicom, fix close bug 

port is dereferenced even if it is NULL.  Dereference it _after_ the
check if (!port)...  Thanks Eric <ef87@yahoo.com> for reporting this.

This fixes

	http://bugzilla.kernel.org/show_bug.cgi?id=7527



Signed-off-by: default avatarJiri Slaby <jirislaby@gmail.com>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent f5ad1a78

drivers/char/isicom.c

+2 −1
Original line number Diff line number Diff line
@@ -1062,11 +1062,12 @@ static void isicom_shutdown_port(struct isi_port *port) 
static void isicom_close(struct tty_struct *tty, struct file *filp)

{

	struct isi_port *port = tty->driver_data;

	struct isi_board *card = port->card;

	struct isi_board *card;

	unsigned long flags;



	if (!port)

		return;

	card = port->card;

	if (isicom_paranoia_check(port, tty->name, "isicom_close"))

		return;