From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-181.mta0.migadu.com (out-181.mta0.migadu.com [91.218.175.181]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5A1444A21 for ; Tue, 8 Apr 2025 02:16:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.181 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744078572; cv=none; b=YQRfSTMPY6/g5xMNYLxWnU4gDbVt4sbIWkdeBE2z6a94BMCM8TLnj+8b6WxDdz8onvCDlcEj8R5zldBtOYKFnj7EtB3L4eXbOabjWLekrZIcm+NKAXPSvSsqfgv7LOGOu2gYeNqljh1BK4v5PnWAxXBxWfbfmgaJHjHbzNpE+Ek= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744078572; c=relaxed/simple; bh=zZEN8oL1l+gv/80LdORRYJSaXl8V0y6n/MmArK+Jd3o=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=rqNlgRs9uxWuo888Wx9MKie3pqrVq//qDz1V7k+ZscrPc+rI254jBU+hMw3Dzd8/wDOPubF6VzNWFc85fiLgm/UsC1Y+eEiBKDqyHfBmvfq4xZMXiqKHKZIney+BL//nihZ8itRO7f6kccFFStTbFIO7s6AGy1BwToajQI8E0Eg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=E1xlKyIc; arc=none smtp.client-ip=91.218.175.181 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="E1xlKyIc" Message-ID: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1744078566; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=lPjoLTdoallsCTo09suEBRnN2BCJJBA5YHjIc4x9f54=; b=E1xlKyIcR69jh405rRGhisEKnGfRwzmSoeTe/aS8yt3OOGp3JLUINTh0nhqxVEtDDJyyFz Zs/dOfYr7S4QTnsgPHhq04WcOjmwtcvodR50TtN9Hq1mUnsoqSxXA90JXEcusWyYWotMZ7 9F6ZWcEFi4pnWpG5YWS9Z9+pLszonbQ= Date: Tue, 8 Apr 2025 10:15:13 +0800 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Subject: Re: [PATCH iwl-net v2] ice: Check VF VSI Pointer Value in ice_vc_add_fdir_fltr() To: Przemek Kitszel , anthony.l.nguyen@intel.com Cc: davem@davemloft.net, edumazet@google.com, netdev@vger.kernel.org, intel-wired-lan@lists.osuosl.org, Xuanqiang Luo References: <20250325020149.2041648-1-xuanqiang.luo@linux.dev> <4a960ad6-6118-4db8-9511-a1e3bb5b66f3@intel.com> X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: luoxuanqiang In-Reply-To: <4a960ad6-6118-4db8-9511-a1e3bb5b66f3@intel.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT 在 2025/3/27 18:22, Przemek Kitszel 写道: > On 3/25/25 03:01, Xuanqiang Luo wrote: >> From: Xuanqiang Luo >> >> 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. >> >> v2: Add "iwl-net" to the subject and modify the name format. >> >> Fixes: 6ebbe97a4881 ("ice: Add a per-VF limit on number of FDIR >> filters") >> Signed-off-by: Xuanqiang Luo >> --- > > Reviewed-by: Przemek Kitszel > > (technically the changelog (v2:...) should be placed here, with > additional "---" line afterwards; no need to resubmit just for that) > Thank you for your guidance. I'll keep this in mind. :) BRs! Xuanqiang >> drivers/net/ethernet/intel/ice/ice_virtchnl_fdir.c | 6 ++++++ >>   1 file changed, 6 insertions(+) >> >> diff --git a/drivers/net/ethernet/intel/ice/ice_virtchnl_fdir.c >> b/drivers/net/ethernet/intel/ice/ice_virtchnl_fdir.c >> index 14e3f0f89c78..53bad68e3f38 100644 >> --- a/drivers/net/ethernet/intel/ice/ice_virtchnl_fdir.c >> +++ b/drivers/net/ethernet/intel/ice/ice_virtchnl_fdir.c >> @@ -2092,6 +2092,12 @@ int ice_vc_add_fdir_fltr(struct ice_vf *vf, u8 >> *msg) >>       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) || >>           vf->fdir.fdir_fltr_cnt_total >= ICE_VF_MAX_FDIR_FILTERS) {