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thunderbolt: tb: fix use after free in tb_activate_pcie_devices

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[ Upstream commit a2e373438f ]

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

Addresses-Coverity-ID: 1415336
Fixes: 9d3cce0b61 ("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>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Gustavo A. R. Silva
2017-11-04 23:52:54 -05:00
committed by Greg Kroah-Hartman
parent 837da470dc
commit c4e7af2833
1 changed files with 1 additions and 0 deletions
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drivers/thunderbolt/tb.c
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@@ -225,6 +225,7 @@ 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);