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path: root/drivers/usb/host
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-rw-r--r--drivers/usb/host/xhci-ring.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 868878f5b72b..97cf8e1fc07c 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -1640,6 +1640,12 @@ static void handle_port_status(struct xhci_hcd *xhci,
if ((major_revision == 0x03) != (hcd->speed >= HCD_USB3))
hcd = xhci->shared_hcd;
+ if (!hcd) {
+ xhci_dbg(xhci, "No hcd found for port %u event\n", port_id);
+ bogus_port_status = true;
+ goto cleanup;
+ }
+
if (major_revision == 0) {
xhci_warn(xhci, "Event for port %u not in "
"Extended Capabilities, ignoring.\n",