diff options
| author | Jiri Slaby <jirislaby@gmail.com> | 2006-12-04 14:06:36 +0100 |
|---|---|---|
| committer | Adrian Bunk <bunk@stusta.de> | 2006-12-04 14:06:36 +0100 |
| commit | 407e973fcc4bf33964851f2f01817c1958479868 (patch) | |
| tree | 77bee0f2f44a99e6175dae7c3bce4d200955a1b5 /drivers/char | |
| parent | 2491185f7a9a5592dba42547ffff1f56bf5af66f (diff) | |
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: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/isicom.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/char/isicom.c b/drivers/char/isicom.c index e9ebabaf8cb..58da5ddeab4 100644 --- a/drivers/char/isicom.c +++ b/drivers/char/isicom.c @@ -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; |