From: Xuanqiang Luo Date: Fri, 25 Apr 2025 22:26:32 +0000 (-0700) Subject: ice: Check VF VSI Pointer Value in ice_vc_add_fdir_fltr() X-Git-Tag: v5.15.182~28 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a32dcc3b8293600ddc4024731b4d027d4de061a4;p=thirdparty%2Fkernel%2Fstable.git ice: Check VF VSI Pointer Value in ice_vc_add_fdir_fltr() [ Upstream commit 425c5f266b2edeee0ce16fedd8466410cdcfcfe3 ] As mentioned in the commit baeb705fd6a7 ("ice: always check VF VSI pointer values"), we need to perform a null pointer check on the return value of ice_get_vf_vsi() before using it. Fixes: 6ebbe97a4881 ("ice: Add a per-VF limit on number of FDIR filters") Signed-off-by: Xuanqiang Luo Reviewed-by: Przemek Kitszel Reviewed-by: Simon Horman Signed-off-by: Tony Nguyen Link: https://patch.msgid.link/20250425222636.3188441-3-anthony.l.nguyen@intel.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- diff --git a/drivers/net/ethernet/intel/ice/ice_virtchnl_fdir.c b/drivers/net/ethernet/intel/ice/ice_virtchnl_fdir.c index 2ca8102e8f36e..3b87cc9dfd46e 100644 --- a/drivers/net/ethernet/intel/ice/ice_virtchnl_fdir.c +++ b/drivers/net/ethernet/intel/ice/ice_virtchnl_fdir.c @@ -2079,6 +2079,11 @@ int ice_vc_add_fdir_fltr(struct ice_vf *vf, u8 *msg) pf = vf->pf; dev = ice_pf_to_dev(pf); vf_vsi = ice_get_vf_vsi(vf); + if (!vf_vsi) { + dev_err(dev, "Can not get FDIR vf_vsi for VF %u\n", vf->vf_id); + v_ret = VIRTCHNL_STATUS_ERR_PARAM; + goto err_exit; + } #define ICE_VF_MAX_FDIR_FILTERS 128 if (!ice_fdir_num_avail_fltr(&pf->hw, vf_vsi) ||