xhci: fix even more unsafe memory usage in xhci tracing

[platform/kernel/linux-rpi.git] / drivers / usb / host / xhci-ring.c

diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 8fea44b..d0faa67 100644 (file)
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -1212,6 +1212,7 @@ void xhci_stop_endpoint_command_watchdog(struct timer_list *t)
        struct xhci_hcd *xhci = ep->xhci;
        unsigned long flags;
        u32 usbsts;
+       char str[XHCI_MSG_MAX];
 
        spin_lock_irqsave(&xhci->lock, flags);
 
@@ -1225,7 +1226,7 @@ void xhci_stop_endpoint_command_watchdog(struct timer_list *t)
        usbsts = readl(&xhci->op_regs->status);
 
        xhci_warn(xhci, "xHCI host not responding to stop endpoint command.\n");
-       xhci_warn(xhci, "USBSTS:%s\n", xhci_decode_usbsts(usbsts));
+       xhci_warn(xhci, "USBSTS:%s\n", xhci_decode_usbsts(str, usbsts));
 
        ep->ep_state &= ~EP_STOP_CMD_PENDING;