From 2ff78c0c2b67120c8e503268da3f177cae2228a2 Mon Sep 17 00:00:00 2001 From: Johan Hovold Date: Thu, 13 May 2010 21:02:00 +0200 Subject: [PATCH] USB: ir-usb: fix double free If the user specifies a custom bulk buffer size we get a double free at port release. Cc: stable Signed-off-by: Johan Hovold Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/ir-usb.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/usb/serial/ir-usb.c b/drivers/usb/serial/ir-usb.c index 4a0f51974232..71bdbe06baff 100644 --- a/drivers/usb/serial/ir-usb.c +++ b/drivers/usb/serial/ir-usb.c @@ -312,6 +312,7 @@ static int ir_open(struct tty_struct *tty, struct usb_serial_port *port) kfree(port->read_urb->transfer_buffer); port->read_urb->transfer_buffer = buffer; port->read_urb->transfer_buffer_length = buffer_size; + port->bulk_in_buffer = buffer; buffer = kmalloc(buffer_size, GFP_KERNEL); if (!buffer) { @@ -321,6 +322,7 @@ static int ir_open(struct tty_struct *tty, struct usb_serial_port *port) kfree(port->write_urb->transfer_buffer); port->write_urb->transfer_buffer = buffer; port->write_urb->transfer_buffer_length = buffer_size; + port->bulk_out_buffer = buffer; port->bulk_out_size = buffer_size; } -- 2.20.1