From e40406603fe22a5b18d7e8ac7a2eb0f2d2b13cf1 Mon Sep 17 00:00:00 2001 From: Bin Meng Date: Wed, 23 May 2018 23:40:50 -0700 Subject: [PATCH] usb: xhci: Handle endianness in xhci_set_configuration() In xhci_set_configuration(), 'Context Entries' field in the slot context was cleared with mask LAST_CTX_MASK, but it should have taken the endianness into consideration. Signed-off-by: Bin Meng --- drivers/usb/host/xhci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index f9c6bbb..9ded14c 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -536,7 +536,7 @@ static int xhci_set_configuration(struct usb_device *udev) /* slot context */ xhci_slot_copy(ctrl, in_ctx, out_ctx); slot_ctx = xhci_get_slot_ctx(ctrl, in_ctx); - slot_ctx->dev_info &= ~(LAST_CTX_MASK); + slot_ctx->dev_info &= ~(cpu_to_le32(LAST_CTX_MASK)); slot_ctx->dev_info |= cpu_to_le32(LAST_CTX(max_ep_flag + 1) | 0); xhci_endpoint_copy(ctrl, in_ctx, out_ctx, 0); -- 2.7.4