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a=rsa-sha256; c=relaxed/relaxed; d=corigine.onmicrosoft.com; s=selector2-corigine-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=faccXRNDU78ShMNEVfFfwKB9j4QXHoM5t4sjmaYOePQ=; b=EBc8+VhT6MBGVznZQpPEOr0h1gj5WhPxNUULXpmEmzO+7vW/dJgbs/lydSgt8iokQ6oMWXEMKR3tQaUcwM52r/vHTsWjkVmxKeIq1VXGkISHKCEag/PtzOtICyznpu1tolJnzGIsw8WWwhYydbjTpGdzy8qQTWnmjHpluCjS2/g= X-Mailman-Original-Authentication-Results: smtp3.osuosl.org; dkim=pass (1024-bit key) header.d=corigine.onmicrosoft.com header.i=@corigine.onmicrosoft.com header.a=rsa-sha256 header.s=selector2-corigine-onmicrosoft-com header.b=EBc8+VhT X-Mailman-Original-Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=corigine.com; Subject: Re: [Intel-wired-lan] [PATCH iwl-next v4 01/10] ice: Correctly initialize queue context values X-BeenThere: intel-wired-lan@osuosl.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Wired Ethernet Linux Kernel Driver Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: netdev@vger.kernel.org, intel-wired-lan@lists.osuosl.org, daniel.machon@microchip.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-wired-lan-bounces@osuosl.org Sender: "Intel-wired-lan" On Fri, Jun 09, 2023 at 02:16:17PM -0700, Dave Ertman wrote: > From: Jacob Keller > > The ice_alloc_lan_q_ctx function allocates the queue context array for a > given traffic class. This function uses devm_kcalloc which will > zero-allocate the structure. Thus, prior to any queue being setup by > ice_ena_vsi_txq, the q_ctx structure will have a q_handle of 0 and a q_teid > of 0. These are potentially valid values. > > Modify the ice_alloc_lan_q_ctx function to initialize every member of the > q_ctx array to have invalid values. Modify ice_dis_vsi_txq to ensure that > it assigns q_teid to an invalid value when it assigns q_handle to the > invalid value as well. > > This will allow other code to check whether the queue context is currently > valid before operating on it. > > Reviewed-by: Daniel Machon > Signed-off-by: Jacob Keller > Signed-off-by: Dave Ertman Reviewed-by: Simon Horman _______________________________________________ Intel-wired-lan mailing list Intel-wired-lan@osuosl.org https://lists.osuosl.org/mailman/listinfo/intel-wired-lan