diff options
| author | Johan Hovold <jhovold@gmail.com> | 2012-10-25 10:29:17 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-10-25 09:37:13 -0700 |
| commit | 7e41f9bcdd2e813ea2a3c40db291d87ea06b559f (patch) | |
| tree | 9bd76cc6dc0d9905d12f0e01dc31718ec8b63bb2 /drivers/usb/serial/sierra.c | |
| parent | b8f0e82044c9ba40e92340c8a6d47d6bd6d819bc (diff) | |
USB: sierra: fix memory leak in attach error path
Make sure port private data is deallocated on errors in attach.
Cc: <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/serial/sierra.c')
| -rw-r--r-- | drivers/usb/serial/sierra.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c index 76ef95bcbbf2..2cb27e49d4ac 100644 --- a/drivers/usb/serial/sierra.c +++ b/drivers/usb/serial/sierra.c @@ -905,7 +905,7 @@ static int sierra_startup(struct usb_serial *serial) dev_dbg(&port->dev, "%s: kmalloc for " "sierra_port_private (%d) failed!\n", __func__, i); - return -ENOMEM; + goto err; } spin_lock_init(&portdata->lock); init_usb_anchor(&portdata->active); @@ -942,6 +942,13 @@ static int sierra_startup(struct usb_serial *serial) } return 0; +err: + for (--i; i >= 0; --i) { + portdata = usb_get_serial_port_data(serial->port[i]); + kfree(portdata); + } + + return -ENOMEM; } static void sierra_release(struct usb_serial *serial) |