diff --git a/drivers/platform/msm/ipa/ipa_v3/ipa_dp.c b/drivers/platform/msm/ipa/ipa_v3/ipa_dp.c index 82df3768ba26..4c600c6131e9 100644 --- a/drivers/platform/msm/ipa/ipa_v3/ipa_dp.c +++ b/drivers/platform/msm/ipa/ipa_v3/ipa_dp.c @@ -1914,6 +1914,7 @@ static void ipa3_replenish_wlan_rx_cache(struct ipa3_sys_context *sys) gsi_xfer_elem_one.addr = rx_pkt->data.dma_addr; gsi_xfer_elem_one.len = IPA_WLAN_RX_BUFF_SZ; gsi_xfer_elem_one.flags |= GSI_XFER_FLAG_EOT; + gsi_xfer_elem_one.flags |= GSI_XFER_FLAG_EOB; gsi_xfer_elem_one.type = GSI_XFER_ELEM_DATA; gsi_xfer_elem_one.xfer_user_data = rx_pkt; @@ -2101,6 +2102,7 @@ static void ipa3_replenish_rx_cache(struct ipa3_sys_context *sys) gsi_xfer_elem_one.addr = rx_pkt->data.dma_addr; gsi_xfer_elem_one.len = sys->rx_buff_sz; gsi_xfer_elem_one.flags |= GSI_XFER_FLAG_EOT; + gsi_xfer_elem_one.flags |= GSI_XFER_FLAG_EOB; gsi_xfer_elem_one.type = GSI_XFER_ELEM_DATA; gsi_xfer_elem_one.xfer_user_data = rx_pkt; @@ -2207,6 +2209,7 @@ static void ipa3_replenish_rx_cache_recycle(struct ipa3_sys_context *sys) gsi_xfer_elem_one.addr = rx_pkt->data.dma_addr; gsi_xfer_elem_one.len = sys->rx_buff_sz; gsi_xfer_elem_one.flags |= GSI_XFER_FLAG_EOT; + gsi_xfer_elem_one.flags |= GSI_XFER_FLAG_EOB; gsi_xfer_elem_one.type = GSI_XFER_ELEM_DATA; gsi_xfer_elem_one.xfer_user_data = rx_pkt; @@ -2272,6 +2275,7 @@ static void ipa3_fast_replenish_rx_cache(struct ipa3_sys_context *sys) gsi_xfer_elem_one.addr = rx_pkt->data.dma_addr; gsi_xfer_elem_one.len = sys->rx_buff_sz; gsi_xfer_elem_one.flags |= GSI_XFER_FLAG_EOT; + gsi_xfer_elem_one.flags |= GSI_XFER_FLAG_EOB; gsi_xfer_elem_one.type = GSI_XFER_ELEM_DATA; gsi_xfer_elem_one.xfer_user_data = rx_pkt; @@ -2407,7 +2411,6 @@ static int ipa3_lan_rx_pyld_hdlr(struct sk_buff *skb, if (skb->len == 0) { IPAERR("ZLT\n"); - sys->free_skb(skb); return rc; } @@ -2467,7 +2470,6 @@ static int ipa3_lan_rx_pyld_hdlr(struct sk_buff *skb, sys->prev_skb = skb2; } sys->len_rem -= skb->len; - sys->free_skb(skb); return rc; } } @@ -2481,7 +2483,7 @@ begin: if (skb->len < pkt_status_sz) { WARN_ON(sys->prev_skb != NULL); IPADBG_LOW("status straddles buffer\n"); - sys->prev_skb = skb; + sys->prev_skb = skb_copy(skb, GFP_KERNEL); sys->len_partial = skb->len; return rc; } @@ -2573,7 +2575,7 @@ begin: IPAHAL_PKT_STATUS_EXCEPTION_NONE) { WARN_ON(sys->prev_skb != NULL); IPADBG_LOW("Ins header in next buffer\n"); - sys->prev_skb = skb; + sys->prev_skb = skb_copy(skb, GFP_KERNEL); sys->len_partial = skb->len; return rc; } @@ -2594,7 +2596,7 @@ begin: } skb2 = ipa3_skb_copy_for_client(skb, - status.pkt_len + pkt_status_sz); + min(status.pkt_len + pkt_status_sz, skb->len)); if (likely(skb2)) { if (skb->len < len + pkt_status_sz) { IPADBG_LOW("SPL skb len %d len %d\n", @@ -3764,6 +3766,7 @@ static void ipa_gsi_irq_rx_notify_cb(struct gsi_chan_xfer_notify *notify) switch (notify->evt_id) { case GSI_CHAN_EVT_EOT: + case GSI_CHAN_EVT_EOB: atomic_set(&ipa3_ctx->transport_pm.eot_activity, 1); if (!atomic_read(&sys->curr_polling_state)) { /* put the gsi channel into polling mode */