wwan: core: require WWAN netdev setup callback existence
The setup callback will be unconditionally passed to the alloc_netdev_mqs(), where the NULL pointer dereference will cause the kernel panic. So refuse to register WWAN netdev ops with warning generation if the setup callback is not provided. Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com> Reviewed-by: Loic Poulain <loic.poulain@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Showing
Please register or sign in to comment