package/kernel/mac80211/patches/ath11k/0032-wifi-ath11k-Fix-memory-leak-in-ath11k_peer_rx_frag_s.patch

   1 From ed3f83b3459a67a3ab9d806490ac304b567b1c2d Mon Sep 17 00:00:00 2001
   2 From: Miaoqian Lin <linmq006@gmail.com>
   3 Date: Mon, 2 Jan 2023 12:11:42 +0400
   4 Subject: [PATCH] wifi: ath11k: Fix memory leak in ath11k_peer_rx_frag_setup
   5
   6 crypto_alloc_shash() allocates resources, which should be released by
   7 crypto_free_shash(). When ath11k_peer_find() fails, there has memory
   8 leak. Add missing crypto_free_shash() to fix this.
   9
  10 Fixes: 243874c64c81 ("ath11k: handle RX fragments")
  11 Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
  12 Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
  13 Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
  14 Link: https://lore.kernel.org/r/20230102081142.3937570-1-linmq006@gmail.com
  15 ---
  16  drivers/net/wireless/ath/ath11k/dp_rx.c | 1 +
  17  1 file changed, 1 insertion(+)
  18
  19 --- a/drivers/net/wireless/ath/ath11k/dp_rx.c
  20 +++ b/drivers/net/wireless/ath/ath11k/dp_rx.c
  21 @@ -3126,6 +3126,7 @@ int ath11k_peer_rx_frag_setup(struct ath
  22         if (!peer) {
  23                 ath11k_warn(ab, "failed to find the peer to set up fragment info\n");
  24                 spin_unlock_bh(&ab->base_lock);
  25 +               crypto_free_shash(tfm);
  26                 return -ENOENT;
  27         }
  28