From: Vlad Buslov <vla...@mellanox.com> Date: Sun, 21 Jul 2019 17:44:12 +0300
> In function int tc_new_tfilter() q pointer can be NULL when adding filter > on a shared block. With recent change that resets TCQ_F_CAN_BYPASS after > filter creation, following NULL pointer dereference happens in case parent > block is shared: ... > Verify that q pointer is not NULL before setting the 'flags' field. > > Fixes: 3f05e6886a59 ("net_sched: unset TCQ_F_CAN_BYPASS when adding filters") > Signed-off-by: Vlad Buslov <vla...@mellanox.com> Applied.