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authorJohan Hovold <jhovold@gmail.com>2010-05-13 21:02:00 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2010-05-20 13:21:45 -0700
commit2ff78c0c2b67120c8e503268da3f177cae2228a2 (patch)
tree4c57bfee9bf1501b4ace8008f2f8d8212a756a40 /drivers/usb/serial/ir-usb.c
parent16032c4f5b291af541e9114a09ea20ff5a0dc474 (diff)
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 <stable@kernel.org> Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/serial/ir-usb.c')
-rw-r--r--drivers/usb/serial/ir-usb.c2
1 files changed, 2 insertions, 0 deletions
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;
}