[PATCH 4.9 124/171] xhci: Fix USB3 NULL pointer dereference at logical disconnect.

4.9-stable review patch. If anyone has any objections, please let me know. -- [ Upstream commit 2278446e2b7cd33ad894b32e7eb63afc7db6c86e ] Hub driver will try to disable a USB3 device twice at logical disconnect, racing with xhci_free_dev() callback from the first port disable.

[PATCH 4.9 124/171] xhci: Fix USB3 NULL pointer dereference at logical disconnect.

4.9-stable review patch. If anyone has any objections, please let me know. -- [ Upstream commit 2278446e2b7cd33ad894b32e7eb63afc7db6c86e ] Hub driver will try to disable a USB3 device twice at logical disconnect, racing with xhci_free_dev() callback from the first port disable.