>-----Original Message----- >From: Alexander Duyck <[email protected]> >Sent: Monday, March 8, 2021 12:42 PM >To: [email protected] >Cc: Brandeburg, Jesse <[email protected]>; Nguyen, Anthony L ><[email protected]>; [email protected] >Subject: [net PATCH] ixgbe: Fix NULL pointer dereference in ethtool loopback >test > >From: Alexander Duyck <[email protected]> > >The ixgbe driver currently generates a NULL pointer dereference when >performing the ethtool loopback test. This is due to the fact that there isn't >a >q_vector associated with the test ring when it is setup as interrupts are not >normally added to the test rings. > >To address this I have added code that will check for a q_vector before >returning >a napi_id value. If a q_vector is not present it will return a value of 0. > >Fixes: b02e5a0ebb17 ("xsk: Propagate napi_id to XDP socket Rx path") >Signed-off-by: Alexander Duyck <[email protected]> >--- > drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 9 ++++++++- > 1 file changed, 8 insertions(+), 1 deletion(-) > Tested-by: Dave Switzer <[email protected]>
