diff options
| -rw-r--r-- | drivers/net/wireless/ath/ath11k/dp_rx.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath11k/dp_rx.c b/drivers/net/wireless/ath/ath11k/dp_rx.c index f08eb9e6c820..b145ea5b1d54 100644 --- a/drivers/net/wireless/ath/ath11k/dp_rx.c +++ b/drivers/net/wireless/ath/ath11k/dp_rx.c @@ -142,6 +142,18 @@ static u32 ath11k_dp_rx_h_attn_mpdu_err(struct rx_attention *attn) return errmap; } +static bool ath11k_dp_rx_h_attn_msdu_len_err(struct ath11k_base *ab, + struct hal_rx_desc *desc) +{ + struct rx_attention *rx_attention; + u32 errmap; + + rx_attention = ath11k_dp_rx_get_attention(ab, desc); + errmap = ath11k_dp_rx_h_attn_mpdu_err(rx_attention); + + return errmap & DP_RX_MPDU_ERR_MSDU_LEN; +} + static u16 ath11k_dp_rx_h_msdu_start_msdu_len(struct ath11k_base *ab, struct hal_rx_desc *desc) { @@ -2525,6 +2537,12 @@ static int ath11k_dp_rx_process_msdu(struct ath11k *ar, } rx_desc = (struct hal_rx_desc *)msdu->data; + if (ath11k_dp_rx_h_attn_msdu_len_err(ab, rx_desc)) { + ath11k_warn(ar->ab, "msdu len not valid\n"); + ret = -EIO; + goto free_out; + } + lrx_desc = (struct hal_rx_desc *)last_buf->data; rx_attention = ath11k_dp_rx_get_attention(ab, lrx_desc); if (!ath11k_dp_rx_h_attn_msdu_done(rx_attention)) { |