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i40e: fix idx validation in config queues msg

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[ 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: c27eac4816 ("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>
[ Adjust context ]
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Lukasz Czapnik 2025-09-29 10:58:37 -04:00 • committed by Greg Kroah-Hartman
commit a6ff2af783
1 changed files with 2 additions and 2 deletions
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4
drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
View file

@ -2320,7 +2320,7 @@ 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;
}
@ -2341,7 +2341,7 @@ 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;
}