a0fa9c7563
[ Upstream commit86f3f4cd53] Add missing endpoint sanity check to probe in order to prevent a NULL-pointer dereference (or slab out-of-bounds access) when retrieving the interrupt-endpoint bInterval on ndo_open() in case a device lacks the expected endpoints. Fixes:40a82917b1("net/usb/r8152: enable interrupt transfer") Cc: hayeswang <hayeswang@realtek.com> Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>