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qcacld-3.0: Check validity of dp_vdev while flushing

Browse source 
Validate vdev before delivering the packets for vdev.
Drop the packets if vdev is deleted.

Change-Id: If92d0fba04d96e3830bb4e6f04c395b4fcd54f84
CRs-Fixed: 2606760
This commit is contained in:
Manjunathappa Prakash 2020-01-20 18:45:53 -08:00 • committed by nshrivas
commit 00cce59bcd
1 changed files with 10 additions and 0 deletions
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10
core/dp/txrx3.0/dp_fisa_rx.c
View file

@ -243,11 +243,13 @@ dp_rx_fisa_setup_hw_fse(struct dp_rx_fst *fisa_hdl,
static void dp_rx_fisa_update_sw_ft_entry(struct dp_fisa_rx_sw_ft *sw_ft_entry,
uint32_t flow_hash,
struct dp_vdev *vdev,
struct dp_soc *soc_hdl,
uint32_t flow_id)
{
sw_ft_entry->flow_hash = flow_hash;
sw_ft_entry->flow_id = flow_id;
sw_ft_entry->vdev = vdev;
sw_ft_entry->soc_hdl = soc_hdl;
}
/**
@ -362,6 +364,7 @@ dp_rx_fisa_add_ft_entry(struct dp_rx_fst *fisa_hdl,
/* Add SW FT entry */
dp_rx_fisa_update_sw_ft_entry(sw_ft_entry,
flow_hash, vdev,
fisa_hdl->soc_hdl,
hashed_flow_idx);
if (!rx_flow_tuple_info.tuple_populated)
get_flow_tuple_from_nbuf(hal_soc_hdl,
@ -716,6 +719,7 @@ dp_rx_fisa_flush_udp_flow(struct dp_vdev *vdev,
struct udphdr *head_skb_udp_hdr;
struct skb_shared_info *shinfo;
qdf_nbuf_t linear_skb;
struct dp_vdev *fisa_flow_vdev;
dp_fisa_debug("head_skb %pk", head_skb);
dp_fisa_debug("cumulative ip length %d",
@ -787,6 +791,12 @@ dp_rx_fisa_flush_udp_flow(struct dp_vdev *vdev,
hex_dump_skb_data(fisa_flow->head_skb, false);
fisa_flow_vdev = dp_get_vdev_from_soc_vdev_id_wifi3(fisa_flow->soc_hdl,
QDF_NBUF_CB_RX_VDEV_ID(fisa_flow->head_skb));
if (qdf_unlikely(!fisa_flow_vdev ||
(fisa_flow_vdev != fisa_flow->vdev))) {
qdf_nbuf_free(fisa_flow->head_skb);
}
dp_fisa_debug("fisa_flow->curr_aggr %d", fisa_flow->cur_aggr);
linear_skb = dp_fisa_rx_linear_skb(vdev, fisa_flow->head_skb, 24000);
if (linear_skb) {