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qcacld-3.0: Fix possible NULL pointer dereference

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Validate the CSR session before accessing it as the session can be
NULL for invalid session id.

Change-Id: I090d75a44bb9e78cbf7f10ac08ccad9f664e6e06
CRs-Fixed: 2462598
This commit is contained in:
Kiran Kumar Lokere 2019-06-03 14:18:40 -07:00 • committed by nshrivas
commit 1ba55bfa9b
1 changed files with 4 additions and 0 deletions
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4
core/sme/src/common/sme_api.c
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@ -11290,6 +11290,10 @@ void sme_update_he_cap_nss(mac_handle_t mac_handle, uint8_t session_id,
sme_err("invalid Nss value %d", nss);
}
csr_session = CSR_GET_SESSION(mac_ctx, session_id);
if (!csr_session) {
sme_err("No session for id %d", session_id);
return;
}
rx_mcs_map =
mac_ctx->mlme_cfg->he_caps.dot11_he_cap.rx_he_mcs_map_lt_80;
tx_mcs_map =