Commit f1ad24c5 authored Aug 13, 2025 by Lukasz Czapnik Committed by Tony Nguyen Sep 18, 2025

i40e: fix idx validation in config queues msg



Ensure idx is within range of active/initialized TCs when iterating over
vf->ch[idx] in i40e_vc_config_queues_msg().

Fixes: c27eac48 ("i40e: Enable ADq and create queue channel/s on VF")
Cc: stable@vger.kernel.org
Signed-off-by: Lukasz Czapnik <lukasz.czapnik@intel.com>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Signed-off-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Kamakshi Nellore <nellorex.kamakshi@intel.com> (A Contingent Worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>

parent aa68d3c3

drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -2395,7 +2395,7 @@ 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 = -ENODEV;
		goto error_param;
		}
		@@ -2416,7 +2416,7 @@ 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 = -ENODEV;
		goto error_param;
		}