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| author | Sasha Levin <sasha.levin@oracle.com> | 2012-10-04 20:01:21 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-10-05 09:26:01 -0700 |
| commit | 6f5601251d7e306b8a7bf5e674c5307d865c0fa1 (patch) | |
| tree | 55f3e550181d02ecc8dfe7d09a292c98ece96469 /net | |
| parent | ecefbd94b834fa32559d854646d777c56749ef1c (diff) | |
| download | linux-6f5601251d7e306b8a7bf5e674c5307d865c0fa1.tar.gz linux-6f5601251d7e306b8a7bf5e674c5307d865c0fa1.tar.bz2 linux-6f5601251d7e306b8a7bf5e674c5307d865c0fa1.zip | |
net, TTY: initialize tty->driver_data before usage
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>
Acked-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net')
| -rw-r--r-- | net/irda/ircomm/ircomm_tty.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/irda/ircomm/ircomm_tty.c b/net/irda/ircomm/ircomm_tty.c index 95a3a7a336ba..496ce2cebcd7 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); } |