> -----Original Message----- > From: Intel-wired-lan <intel-wired-lan-boun...@osuosl.org> On Behalf Of > Pavan Kumar Linga > Sent: Friday, October 25, 2024 11:39 AM > To: intel-wired-...@lists.osuosl.org > Cc: net...@vger.kernel.org; ho...@kernel.org; Linga, Pavan Kumar > <pavan.kumar.li...@intel.com>; sta...@vger.kernel.org; Singh, Tarun K > <tarun.k.si...@intel.com> > Subject: [Intel-wired-lan] [PATCH iwl-net v2 1/2] idpf: avoid vport access in > idpf_get_link_ksettings > > When the device control plane is removed or the platform > running device control plane is rebooted, a reset is detected > on the driver. On driver reset, it releases the resources and > waits for the reset to complete. If the reset fails, it takes > the error path and releases the vport lock. At this time if the > monitoring tools tries to access link settings, it call traces > for accessing released vport pointer. > > To avoid it, move link_speed_mbps to netdev_priv structure > which removes the dependency on vport pointer and the vport lock > in idpf_get_link_ksettings. Also use netif_carrier_ok() > to check the link status and adjust the offsetof to use link_up > instead of link_speed_mbps. > > Fixes: 02cbfba1add5 ("idpf: add ethtool callbacks") > Cc: sta...@vger.kernel.org # 6.7+ > Reviewed-by: Tarun K Singh <tarun.k.si...@intel.com> > Signed-off-by: Pavan Kumar Linga <pavan.kumar.li...@intel.com> > --- > drivers/net/ethernet/intel/idpf/idpf.h | 4 ++-- > drivers/net/ethernet/intel/idpf/idpf_ethtool.c | 11 +++-------- > drivers/net/ethernet/intel/idpf/idpf_lib.c | 4 ++-- > drivers/net/ethernet/intel/idpf/idpf_virtchnl.c | 2 +- > 4 files changed, 8 insertions(+), 13 deletions(-) > > diff --git a/drivers/net/ethernet/intel/idpf/idpf.h > b/drivers/net/ethernet/intel/idpf/idpf.h > index 2c31ad87587a..66544faab710 100644 > --- a/drivers/net/ethernet/intel/idpf/idpf.h > +++ b/drivers/net/ethernet/intel/idpf/idpf.h
Tested-by: Krishneil Singh <krishneil.k.si...@intel.com>