Commit 5e02bc73 authored by Miles Hu's avatar Miles Hu Committed by Kalle Valo
Browse files

ath11k: fix memory leak in monitor mode 



remove tail check to avoid last amsdu leak.
recycle skb in ppdu id wrap around case

Signed-off-by: default avatarMiles Hu <milehu@codeaurora.org>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
parent c000e56e

drivers/net/wireless/ath/ath11k/dp_rx.c

+9 −2
Original line number Diff line number Diff line
@@ -3735,8 +3735,15 @@ ath11k_dp_rx_mon_mpdu_pop(struct ath11k *ar, 


				if (ath11k_dp_rx_mon_comp_ppduid(msdu_ppdu_id,

								 ppdu_id,

								 &rx_bufs_used))

								 &rx_bufs_used)) {

					if (rx_bufs_used) {

						drop_mpdu = true;

						dev_kfree_skb_any(msdu);

						msdu = NULL;

						goto next_msdu;

					}

					return rx_bufs_used;

				}

				pmon->mon_last_linkdesc_paddr = paddr;

				is_first_msdu = false;

			}
@@ -3938,7 +3945,7 @@ static int ath11k_dp_rx_mon_deliver(struct ath11k *ar, u32 mac_id, 


		ath11k_dp_rx_deliver_msdu(ar, napi, mon_skb);

		mon_skb = skb_next;

	} while (mon_skb && (mon_skb != tail_msdu));

	} while (mon_skb);

	rxs->flag = 0;



	return 0;