Commit a2e37343 authored Nov 04, 2017 by Gustavo A. R. Silva Committed by Greg Kroah-Hartman Nov 06, 2017

thunderbolt: tb: fix use after free in tb_activate_pcie_devices



Add a ̣̣continue statement in order to avoid using a previously
free'd pointer tunnel in list_add.

Addresses-Coverity-ID: 1415336
Fixes: 9d3cce0b ("thunderbolt: Introduce thunderbolt bus and connection manager")
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent cc528414

drivers/thunderbolt/tb.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -224,6 +224,7 @@ static void tb_activate_pcie_devices(struct tb *tb)
		tb_port_info(up_port,
		"PCIe tunnel activation failed, aborting\n");
		tb_pci_free(tunnel);
		continue;
		}

		list_add(&tunnel->list, &tcm->tunnel_list);