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Commit a0ee619f authored by Hans de Goede's avatar Hans de Goede Committed by Greg Kroah-Hartman
Browse files

xhci: Add missing checks for xhci_alloc_command failure 



Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 170625e9

drivers/usb/host/xhci-ring.c

+4 −0
Original line number Diff line number Diff line
@@ -1118,6 +1118,10 @@ static void xhci_handle_cmd_reset_ep(struct xhci_hcd *xhci, int slot_id, 
	if (xhci->quirks & XHCI_RESET_EP_QUIRK) {

		struct xhci_command *command;

		command = xhci_alloc_command(xhci, false, false, GFP_ATOMIC);

		if (!command) {

			xhci_warn(xhci, "WARN Cannot submit cfg ep: ENOMEM\n");

			return;

		}

		xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,

				"Queueing configure endpoint command");

		xhci_queue_configure_endpoint(xhci, command,

drivers/usb/host/xhci.c

+4 −0
Original line number Diff line number Diff line
@@ -1553,6 +1553,10 @@ int xhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status) 
	 */

	if (!(ep->ep_state & EP_HALT_PENDING)) {

		command = xhci_alloc_command(xhci, false, false, GFP_ATOMIC);

		if (!command) {

			ret = -ENOMEM;

			goto done;

		}

		ep->ep_state |= EP_HALT_PENDING;

		ep->stop_cmds_pending++;

		ep->stop_cmd_timer.expires = jiffies +