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qcacld-3.0: Avoid possible NULL soc context dereference

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Soc context fetched in hdd_rx_check_qdisc_for_adapter
is not NULL validated before passing it to other APIs.

Fix is to add NULL check for soc context in
hdd_rx_check_qdisc_for_adapter.

Change-Id: Ib6a660307009e55c54eb4b3747a8efab8e370241
CRs-Fixed: 3264121
This commit is contained in:
Yeshwanth Sriram Guntuka 2020-08-12 13:38:25 +05:30 • committed by snandini
commit 3ff2bafe8e
1 changed files with 3 additions and 0 deletions
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3
core/hdd/src/wlan_hdd_tx_rx.c
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@ -2158,6 +2158,9 @@ hdd_rx_check_qdisc_for_adapter(struct hdd_adapter *adapter, uint8_t rx_ctx_id)
struct Qdisc *ingress_qdisc;
bool is_qdisc_ingress = false;
if (qdf_unlikely(!soc))
return;
/*
* This additional ingress_queue NULL check is to avoid
* doing RCU lock/unlock in the common scenario where