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ath11k: fix memory leak in monitor mode

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

Signed-off-by: Miles Hu <milehu@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Miles Hu
2019-11-28 08:21:49 +00:00
committed by Kalle Valo
parent c000e56ee6
commit 5e02bc7354
1 changed files with 9 additions and 2 deletions
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11
drivers/net/wireless/ath/ath11k/dp_rx.c
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@@ -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;