diff options
| author | Johan Hovold <jhovold@gmail.com> | 2012-10-18 13:43:28 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-10-18 19:08:47 +0400 |
| commit | 5d8c61bc283826827e1f06816c146bfc507d3834 (patch) | |
| tree | 9be1821e935b023f468a679f7504ca4000984595 | |
| parent | 0978c9499944d0670338fd048a3bdb1624dc66dc (diff) | |
| download | linux-5d8c61bc283826827e1f06816c146bfc507d3834.tar.xz | |
USB: io_ti: fix sysfs-attribute creation
Make sure port data is initialised before creating sysfs attributes to
avoid a race.
A recent patch ("USB: io_ti: fix port-data memory leak") got the
sysfs-attribute creation and port-data initialisation ordering wrong.
Cc: <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/usb/serial/io_ti.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c index 9ae65d679f02..60023c2d2a31 100644 --- a/drivers/usb/serial/io_ti.c +++ b/drivers/usb/serial/io_ti.c @@ -2578,13 +2578,6 @@ static int edge_port_probe(struct usb_serial_port *port) return -ENOMEM; } - ret = edge_create_sysfs_attrs(port); - if (ret) { - kfifo_free(&edge_port->write_fifo); - kfree(edge_port); - return ret; - } - spin_lock_init(&edge_port->ep_lock); edge_port->port = port; edge_port->edge_serial = usb_get_serial_data(port->serial); @@ -2592,6 +2585,13 @@ static int edge_port_probe(struct usb_serial_port *port) usb_set_serial_port_data(port, edge_port); + ret = edge_create_sysfs_attrs(port); + if (ret) { + kfifo_free(&edge_port->write_fifo); + kfree(edge_port); + return ret; + } + return 0; } |