drm/i915: quirk away phantom LVDS on Intel's D525MW mainboard

[karo-tx-linux.git] / drivers / usb / host / xhci-dbg.c

diff --git a/drivers/usb/host/xhci-dbg.c b/drivers/usb/host/xhci-dbg.c
index f2e7689e11a3fa416b6e3ce0115a736911855601..5d5e58fdeccc07604179a419c97414a71def5150 100644 (file)
--- a/drivers/usb/host/xhci-dbg.c
+++ b/drivers/usb/host/xhci-dbg.c
@@ -553,6 +553,11 @@ void xhci_dbg_ctx(struct xhci_hcd *xhci,
        if (ctx->type == XHCI_CTX_TYPE_INPUT) {
                struct xhci_input_control_ctx *ctrl_ctx =
                        xhci_get_input_control_ctx(xhci, ctx);
+               if (!ctrl_ctx) {
+                       xhci_warn(xhci, "Could not get input context, bad type.\n");
+                       return;
+               }
+
                xhci_dbg(xhci, "@%p (virt) @%08llx (dma) %#08x - drop flags\n",
                         &ctrl_ctx->drop_flags, (unsigned long long)dma,
                         ctrl_ctx->drop_flags);