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qcacmn: Fix NULL pointer dereference in extract_hal_reg_cap_tlv

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In extract_hal_reg_cap_tlv(), field hal_reg_capabilities of
param_buf may be NULL, when access field wireless_modes of
hal_reg_capabilities, it will result in a NULL pointer access.

Fix is to add NULL pointer check for field hal_reg_capabilities
of param_buf.

Change-Id: Ie2a50ce1f06f9623cc771d4d580cb5f9f25cc5d4
CRs-Fixed: 2387212
This commit is contained in:
hqu
2019-01-28 21:49:56 +08:00
committed by nshrivas
parent cd0a9fdcd8
commit c8470c8010
1 changed files with 1 additions and 1 deletions
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2
wmi/src/wmi_unified_tlv.c
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@@ -7976,7 +7976,7 @@ static QDF_STATUS extract_hal_reg_cap_tlv(wmi_unified_t wmi_handle,
WMI_SERVICE_READY_EVENTID_param_tlvs *param_buf;
param_buf = (WMI_SERVICE_READY_EVENTID_param_tlvs *) evt_buf;
if (!param_buf) {
if (!param_buf || !param_buf->hal_reg_capabilities) {
WMI_LOGE("%s: Invalid arguments", __func__);
return QDF_STATUS_E_FAILURE;
}