> -----Original Message----- > From: Intel-wired-lan <[email protected]> On Behalf Of > Larysa Zaremba > Sent: Sunday, November 16, 2025 11:04 PM > To: Nguyen, Anthony L <[email protected]>; intel-wired- > [email protected] > Cc: Zaremba, Larysa <[email protected]>; Kitszel, Przemyslaw > <[email protected]>; Andrew Lunn <[email protected]>; > David S. Miller <[email protected]>; Eric Dumazet > <[email protected]>; Jakub Kicinski <[email protected]>; Paolo Abeni > <[email protected]>; [email protected]; linux- > [email protected]; Tantilov, Emil S <[email protected]>; Chittim, > Madhu <[email protected]>; Hay, Joshua A > <[email protected]> > Subject: [Intel-wired-lan] [PATCH iwl-net] idpf: fix aux device unplugging > when > rdma is not supported by vport > > If vport flags do not contain VIRTCHNL2_VPORT_ENABLE_RDMA, driver does > not > allocate vdev_info for this vport. This leads to kernel NULL pointer > dereference in idpf_idc_vport_dev_down(), which references vdev_info for > every vport regardless. > > Check, if vdev_info was ever allocated before unplugging aux device. > > Fixes: be91128c579c ("idpf: implement RDMA vport auxiliary dev create, init, > and destroy") > Reviewed-by: Madhu Chittim <[email protected]> > Signed-off-by: Larysa Zaremba <[email protected]> > --- > drivers/net/ethernet/intel/idpf/idpf_idc.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/net/ethernet/intel/idpf/idpf_idc.c > b/drivers/net/ethernet/intel/idpf/idpf_idc.c > index c1b963f6bfad..4b1037eb2623 100644 > --- a/drivers/net/ethernet/intel/idpf/idpf_idc.c > +++ b/drivers/net/ethernet/intel/idpf/idpf_idc.c
Tested-by: Krishneil Singh <[email protected]>
