The ahvif->vif->link_conf[] array has IEEE80211_MLD_MAX_NUM_LINKS elements so this should be >= instead of > to avoid an out of bounds access. Fixes: 3952657848c0 ("wifi: ath12k: Use mac80211 vif's link_conf instead of bss_conf") Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> --- drivers/net/wireless/ath/ath12k/wmi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath12k/wmi.c b/drivers/net/wireless/ath/ath12k/wmi.c index 402ae477da61..46c5027e4f1c 100644 --- a/drivers/net/wireless/ath/ath12k/wmi.c +++ b/drivers/net/wireless/ath/ath12k/wmi.c @@ -6873,7 +6873,7 @@ ath12k_wmi_process_csa_switch_count_event(struct ath12k_base *ab, } ahvif = arvif->ahvif; - if (arvif->link_id > IEEE80211_MLD_MAX_NUM_LINKS) { + if (arvif->link_id >= IEEE80211_MLD_MAX_NUM_LINKS) { ath12k_warn(ab, "Invalid CSA switch count even link id: %d\n", arvif->link_id); continue; -- 2.45.2