Messages in this thread Patch in this message | | | From | Sasha Levin <> | Subject | [PATCH] net, TTY: initialize tty->driver_data before usage | Date | Thu, 4 Oct 2012 20:01:21 -0400 |
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Commit 9c650ffc ("TTY: ircomm_tty, add tty install") split _open() to _install() and _open(). It also moved the initialization of driver_data out of open(), but never added it to install() - causing a NULL ptr deref whenever the driver was used.
Signed-off-by: Sasha Levin <sasha.levin@oracle.com> --- net/irda/ircomm/ircomm_tty.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/net/irda/ircomm/ircomm_tty.c b/net/irda/ircomm/ircomm_tty.c index 95a3a7a..496ce2c 100644 --- a/net/irda/ircomm/ircomm_tty.c +++ b/net/irda/ircomm/ircomm_tty.c @@ -421,6 +421,8 @@ static int ircomm_tty_install(struct tty_driver *driver, struct tty_struct *tty) hashbin_insert(ircomm_tty, (irda_queue_t *) self, line, NULL); } + tty->driver_data = self; + return tty_port_install(&self->port, driver, tty); } -- 1.7.12
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