4.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: "Gustavo A. R. Silva" <garsilva@xxxxxxxxxxxxxx> [ Upstream commit 1f459262b0e1649a1e5ad12fa4c66eb76c2220ce ] Remove pointer dereference after free. Addresses-Coverity-ID: 1091173 Acked-by: Michal Nazarewicz <mina86@xxxxxxxxxx> Signed-off-by: Gustavo A. R. Silva <garsilva@xxxxxxxxxxxxxx> Signed-off-by: Felipe Balbi <felipe.balbi@xxxxxxxxxxxxxxx> Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/usb/gadget/udc/pch_udc.c | 1 - 1 file changed, 1 deletion(-) --- a/drivers/usb/gadget/udc/pch_udc.c +++ b/drivers/usb/gadget/udc/pch_udc.c @@ -1523,7 +1523,6 @@ static void pch_udc_free_dma_chain(struc td = phys_to_virt(addr); addr2 = (dma_addr_t)td->next; pci_pool_free(dev->data_requests, td, addr); - td->next = 0x00; addr = addr2; } req->chain_len = 1;