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| author | Anjaneyulu <pagadala.yesu.anjaneyulu@intel.com> | 2023-06-14 12:41:35 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2023-06-19 12:05:26 +0200 |
| commit | aedb2b38adf4d9f4f30ebd8b507051498ad4a1f2 (patch) | |
| tree | 774ae0f2d8cf3ccaade0fa3dc3eac414a081d11a /drivers/net/wireless/intel/iwlwifi/mvm/rx.c | |
| parent | 4670d8dca8af0824b82010b7ad478fd505572006 (diff) | |
| download | linux-aedb2b38adf4d9f4f30ebd8b507051498ad4a1f2.tar.gz linux-aedb2b38adf4d9f4f30ebd8b507051498ad4a1f2.tar.bz2 linux-aedb2b38adf4d9f4f30ebd8b507051498ad4a1f2.zip | |
wifi: iwlwifi: mvm: Validate tid is in valid range before using it
Validate tid is less then MAX TID when it is used to access
corresponding arrays.
Signed-off-by: Anjaneyulu <pagadala.yesu.anjaneyulu@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230614123447.cea75e1f57e7.I03bc0a81d2c1bdbf4784c12c4c62b8538892ccba@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/rx.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/rx.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rx.c b/drivers/net/wireless/intel/iwlwifi/mvm/rx.c index b38b24246675..542c192698a4 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rx.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rx.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause /* - * Copyright (C) 2012-2014, 2018-2022 Intel Corporation + * Copyright (C) 2012-2014, 2018-2023 Intel Corporation * Copyright (C) 2013-2015 Intel Mobile Communications GmbH * Copyright (C) 2016-2017 Intel Deutschland GmbH */ @@ -213,8 +213,12 @@ static void iwl_mvm_rx_handle_tcm(struct iwl_mvm *mvm, }; u16 thr; - if (ieee80211_is_data_qos(hdr->frame_control)) - ac = tid_to_mac80211_ac[ieee80211_get_tid(hdr)]; + if (ieee80211_is_data_qos(hdr->frame_control)) { + u8 tid = ieee80211_get_tid(hdr); + + if (tid < IWL_MAX_TID_COUNT) + ac = tid_to_mac80211_ac[tid]; + } mvmsta = iwl_mvm_sta_from_mac80211(sta); mac = mvmsta->mac_id_n_color & FW_CTXT_ID_MSK; |