Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx> wrote: > ath_tx_process_buffer() references ieee80211_find_sta_by_ifaddr() > return pointer (sta) outside null check. Fix it by moving the code > block under the null check. > > This problem was found while reviewing code to debug RCU warn from > ath10k_wmi_tlv_parse_peer_stats_info() and a subsequent manual audit > of other callers of ieee80211_find_sta_by_ifaddr() that don't hold > RCU read lock. > > Signed-off-by: Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx> > Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx> Patch applied to ath-next branch of ath.git, thanks. a56c14bb21b2 ath9k: fix ath_tx_process_buffer() potential null ptr dereference -- https://patchwork.kernel.org/project/linux-wireless/patch/43ed9abb9e8d7112f3cc168c2f8c489e253635ba.1613090339.git.skhan@xxxxxxxxxxxxxxxxxxx/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
