From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 A4E672E2F1A for ; Mon, 29 Sep 2025 14:58:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759157920; cv=none; b=Q85tyURA7iE7w2vZvfbzSabrFaq9WqLHQY2vs9mcmcu4Z+nsNNpplXVC2udi+2Gm7+lGEPiEXkUvFXAlATY8cUwuvd0pSHFmlzImR/p/mk92L0SDqW/7r9TvFcHau/4GIVS5QBENZEQyIArETtxCkW9uz0hcpLXWXezoCjn/lU4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759157920; c=relaxed/simple; bh=0ZY1TR5SmhD3QGkFxOGfpzrMNo1/XwPCzd+6ar34p6U=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=TqrzE5ocIulXIUN9N3fbDAcyxcRp4sYVEKZyU0VB8H/bANnm94UMZGOFVApExBIonV3Q0y+dt7tQ3gJyJvDdEeMUMMeRek4zoddRpOKoCDlF6ojXjY2RjdFFOeFhMutoyvDrMZI40Wit4oNg3cP9Dls25sdxL7cAEsbxj/ndaho= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=JcTkIOff; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="JcTkIOff" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 68634C4CEF7; Mon, 29 Sep 2025 14:58:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1759157920; bh=0ZY1TR5SmhD3QGkFxOGfpzrMNo1/XwPCzd+6ar34p6U=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JcTkIOffql4PQFoz5We7HcumDkRReyeD7vCpVrg9iD8vR7yUll33R7bMoTtj1HmKN 6yZ+jBuXzW/0q0ZoA2UtLR5Z/0m8V5L+Y1zt0Y96zcBNTFnWtbSZu8Gq9q/yfsQioU NcaLBPS7T9smAe0aLvQ5mlhoHE8hN/e1Fae8OBFPpaNEU/cinXx0raaDa4sryr2ywB Auw7l4POk8tVToS1EQyuJDINlodjLUK5PhqtJHsYhpvikbEeenf1gN6u1RZXR+ptdh Lbzw/kqB3B3GS0WE8EV78CzuHsWf7sBS55eyYbJOFxEy4azVexpKy37Io+RR3f14dZ m0DXXe6hQJNKQ== From: Sasha Levin To: stable@vger.kernel.org Cc: Lukasz Czapnik , Aleksandr Loktionov , Przemek Kitszel , Simon Horman , Kamakshi Nellore , Tony Nguyen , Sasha Levin Subject: [PATCH 5.4.y] i40e: fix idx validation in config queues msg Date: Mon, 29 Sep 2025 10:58:37 -0400 Message-ID: <20250929145838.112568-1-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <2025092937-trash-dainty-32e4@gregkh> References: <2025092937-trash-dainty-32e4@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Lukasz Czapnik [ Upstream commit f1ad24c5abe1eaef69158bac1405a74b3c365115 ] Ensure idx is within range of active/initialized TCs when iterating over vf->ch[idx] in i40e_vc_config_queues_msg(). Fixes: c27eac48160d ("i40e: Enable ADq and create queue channel/s on VF") Cc: stable@vger.kernel.org Signed-off-by: Lukasz Czapnik Reviewed-by: Aleksandr Loktionov Signed-off-by: Przemek Kitszel Reviewed-by: Simon Horman Tested-by: Kamakshi Nellore (A Contingent Worker at Intel) Signed-off-by: Tony Nguyen [ Adjust context ] Signed-off-by: Sasha Levin --- drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c index d8ba409122032..e4b432b5a2187 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -2306,7 +2306,7 @@ static int i40e_vc_config_queues_msg(struct i40e_vf *vf, u8 *msg) } if (vf->adq_enabled) { - if (idx >= ARRAY_SIZE(vf->ch)) { + if (idx >= vf->num_tc) { aq_ret = I40E_ERR_NO_AVAILABLE_VSI; goto error_param; } @@ -2327,7 +2327,7 @@ static int i40e_vc_config_queues_msg(struct i40e_vf *vf, u8 *msg) * to its appropriate VSIs based on TC mapping */ if (vf->adq_enabled) { - if (idx >= ARRAY_SIZE(vf->ch)) { + if (idx >= vf->num_tc) { aq_ret = I40E_ERR_NO_AVAILABLE_VSI; goto error_param; } -- 2.51.0