git.openwrt.org Git - openwrt/staging/ansuel.git/blob

   1 From ac13a7842ab46a87aa315514d6d7e19b03cb2adc Mon Sep 17 00:00:00 2001
   2 From: Dmitry Antipov <dmantipov@yandex.ru>
   3 Date: Wed, 6 Sep 2023 12:36:55 +0300
   4 Subject: [PATCH] wifi: ath11k: drop NULL pointer check in
   5  ath11k_update_per_peer_tx_stats()
   6
   7 Since 'user_stats' is a fixed-size array of 'struct htt_ppdu_user_stats'
   8 in 'struct htt_ppdu_stats', any of its member can't be NULL and so
   9 relevant check may be dropped.
  10
  11 Found by Linux Verification Center (linuxtesting.org) with SVACE.
  12
  13 Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
  14 Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
  15 Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
  16 Link: https://lore.kernel.org/r/20230906093704.14001-1-dmantipov@yandex.ru
  17 ---
  18  drivers/net/wireless/ath/ath11k/dp_rx.c | 3 ---
  19  1 file changed, 3 deletions(-)
  20
  21 --- a/drivers/net/wireless/ath/ath11k/dp_rx.c
  22 +++ b/drivers/net/wireless/ath/ath11k/dp_rx.c
  23 @@ -1388,9 +1388,6 @@ ath11k_update_per_peer_tx_stats(struct a
  24         u8 tid = HTT_PPDU_STATS_NON_QOS_TID;
  25         bool is_ampdu = false;
  26
  27 -       if (!usr_stats)
  28 -               return;
  29 -
  30         if (!(usr_stats->tlv_flags & BIT(HTT_PPDU_STATS_TAG_USR_RATE)))
  31                 return;
  32