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Date: Mon, 20 Jun 2022 14:49:57 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Grzegorz Szczurek <grzegorzx.szczurek@...el.com>, Jedrzej Jagielski <jedrzej.jagielski@...el.com>, Bharathi Sreenivas <bharathi.sreenivas@...el.com>, Tony Nguyen <anthony.l.nguyen@...el.com>, Sasha Levin <sashal@...nel.org> Subject: [PATCH 5.18 059/141] i40e: Fix calculating the number of queue pairs From: Grzegorz Szczurek <grzegorzx.szczurek@...el.com> [ Upstream commit 0bb050670ac90a167ecfa3f9590f92966c9a3677 ] If ADQ is enabled for a VF, then actual number of queue pair is a number of currently available traffic classes for this VF. Without this change the configuration of the Rx/Tx queues fails with error. Fixes: d29e0d233e0d ("i40e: missing input validation on VF message handling by the PF") Signed-off-by: Grzegorz Szczurek <grzegorzx.szczurek@...el.com> Signed-off-by: Jedrzej Jagielski <jedrzej.jagielski@...el.com> Tested-by: Bharathi Sreenivas <bharathi.sreenivas@...el.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@...el.com> Signed-off-by: Sasha Levin <sashal@...nel.org> --- drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c index 2606e8f0f19b..033ea71763e3 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -2282,7 +2282,7 @@ static int i40e_vc_config_queues_msg(struct i40e_vf *vf, u8 *msg) } if (vf->adq_enabled) { - for (i = 0; i < I40E_MAX_VF_VSI; i++) + for (i = 0; i < vf->num_tc; i++) num_qps_all += vf->ch[i].num_qps; if (num_qps_all != qci->num_queue_pairs) { aq_ret = I40E_ERR_PARAM; -- 2.35.1
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