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qcacmn: KW fixes in Tx DP

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Add array bound check for Tx desc pool config
Add NULL check for nbuf in case of segment frames

Change-Id: I8b547edf641a7a21823506388b2c04715cffbf21
This commit is contained in:
Chaitanya Kiran Godavarthi 2019-01-10 15:05:17 +05:30 • committed by nshrivas
commit b1e2bf5c79
1 changed files with 7 additions and 1 deletions
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8
dp/wifi3.0/dp_tx.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2016-2018 The Linux Foundation. All rights reserved.
* Copyright (c) 2016-2019 The Linux Foundation. All rights reserved.
*
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the
@ -2121,6 +2121,9 @@ qdf_nbuf_t dp_tx_send(void *vap_dev, qdf_nbuf_t nbuf)
if (qdf_unlikely(qdf_nbuf_is_nonlinear(nbuf))) {
nbuf = dp_tx_prepare_sg(vdev, nbuf, &seg_info, &msdu_info);
if (!nbuf)
return NULL;
QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_DEBUG,
"%s non-TSO SG frame %pK", __func__, vdev);
@ -3770,6 +3773,9 @@ QDF_STATUS dp_tx_soc_attach(struct dp_soc *soc)
num_desc = wlan_cfg_get_num_tx_desc(soc->wlan_cfg_ctx);
num_ext_desc = wlan_cfg_get_num_tx_ext_desc(soc->wlan_cfg_ctx);
if (num_pool > MAX_TXDESC_POOLS)
goto fail;
if (dp_tx_alloc_static_pools(soc, num_pool, num_desc))
goto fail;