We should not call 'ndo_bpf()' or 'dev_put()' with NULL argument.
Fixes: c9b47cc1fa ("xsk: fix bug when trying to use both copy and zero-copy on one queue id")
Signed-off-by: Ilya Maximets <[email protected]>
Acked-by: Jonathan Lemon <[email protected]>
Signed-off-by: Daniel Borkmann <[email protected]>