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qcacld-3.0: Fix null pointer dereference in __lim_process_sme_join_req

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Add input validation code in function __lim_process_sme_join_req
to make sure "mac_ctx" and "msg_buf" are not null.

This input validation will prevent any possible null pointer dereference
issues.

Change-Id: Ib12ffbe1d6fdcd841fd10158b59d648d0b94aa47
CRs-Fixed: 1042968
This commit is contained in:
Arif Hussain 2016-07-18 11:28:22 -07:00 • committed by Vishwajith Upendra
commit 995fcaf8d8
1 changed files with 6 additions and 0 deletions
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6
core/mac/src/pe/lim/lim_process_sme_req_messages.c
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@ -1610,6 +1610,12 @@ __lim_process_sme_join_req(tpAniSirGlobal mac_ctx, uint32_t *msg_buf)
tSirBssDescription *bss_desc;
struct vdev_type_nss *vdev_type_nss;
if (!mac_ctx || !msg_buf) {
QDF_TRACE(QDF_MODULE_ID_PE, QDF_TRACE_LEVEL_ERROR,
FL("JOIN REQ with invalid data"));
return;
}
/* FEATURE_WLAN_DIAG_SUPPORT */
#ifdef FEATURE_WLAN_DIAG_SUPPORT_LIM
/*