Commit b47ec972 authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Greg Kroah-Hartman
Browse files

xhci: Convert to use list_count() 



The list API now provides the list_count() to help with counting
existing nodes in the list. Utilise it.

Acked-by: default avatarMathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20221123144901.40493-4-andriy.shevchenko@linux.intel.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent c2d9d02f

drivers/usb/host/xhci-ring.c

+2 −5
Original line number Diff line number Diff line
@@ -2532,7 +2532,6 @@ static int handle_tx_event(struct xhci_hcd *xhci, 
	union xhci_trb *ep_trb;

	int status = -EINPROGRESS;

	struct xhci_ep_ctx *ep_ctx;

	struct list_head *tmp;

	u32 trb_comp_code;

	int td_num = 0;

	bool handling_skipped_tds = false;
@@ -2580,10 +2579,8 @@ static int handle_tx_event(struct xhci_hcd *xhci, 
	}



	/* Count current td numbers if ep->skip is set */

	if (ep->skip) {

		list_for_each(tmp, &ep_ring->td_list)

			td_num++;

	}

	if (ep->skip)

		td_num += list_count(&ep_ring->td_list);



	/* Look for common error cases */

	switch (trb_comp_code) {