usb: xhci: Fix a potential null pointer dereference in xhci_debugfs_create_endpoint()

[mirror_ubuntu-bionic-kernel.git] / drivers / usb / host / xhci-debugfs.c

diff --git a/drivers/usb/host/xhci-debugfs.c b/drivers/usb/host/xhci-debugfs.c
index 5851052d4668a64f9ab816de84f1381100650ea6..9e7c7734983cb3002dbaf24c5835d8d34dfdd64b 100644 (file)
--- a/drivers/usb/host/xhci-debugfs.c
+++ b/drivers/usb/host/xhci-debugfs.c
@@ -378,6 +378,9 @@ void xhci_debugfs_create_endpoint(struct xhci_hcd *xhci,
        struct xhci_ep_priv     *epriv;
        struct xhci_slot_priv   *spriv = dev->debugfs_private;
 
+       if (!spriv)
+               return;
+
        if (spriv->eps[ep_index])
                return;