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qcacmn: Avoid NULL pointer dereference of pdev

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Suspicious dereference of pointer 'pdev' by passing argument
to function 'dp_find_peer_by_addr' in dp_register_peer.

Add NULL check before dereference of pointer 'pdev'.

Change-Id: Ibe2db784287ff1557aec983829781378578016c0
CRs-Fixed: 2668253
This commit is contained in:
Alok Kumar 2020-04-28 11:43:06 +05:30 • committed by nshrivas
commit e341157506
1 changed files with 3 additions and 3 deletions
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6
dp/wifi3.0/dp_peer.c
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@ -3436,12 +3436,12 @@ QDF_STATUS dp_register_peer(struct cdp_soc_t *soc_hdl, uint8_t pdev_id,
struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
struct dp_pdev *pdev = dp_get_pdev_from_soc_pdev_id_wifi3(soc, pdev_id);
peer = dp_find_peer_by_addr((struct cdp_pdev *)pdev,
sta_desc->peer_addr.bytes);
if (!pdev)
return QDF_STATUS_E_FAULT;
peer = dp_find_peer_by_addr((struct cdp_pdev *)pdev,
sta_desc->peer_addr.bytes);
if (!peer)
return QDF_STATUS_E_FAULT;