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qcacld-3.0: Fix null pointer dereference in csr_update_pmk_cache_ft()

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In csr_update_pmk_cache_ft(), the value of the argument
pmk_cache could be received as NULL. pmk_cache is deferenced
without validation.

Validate pmk_cache before dereferencing.

Change-Id: I255ce55d07a112c2aa742535c54b71fadea3e7e7
CRs-Fixed: 3023221
This commit is contained in:
VIJAY RAJ 2021-08-26 17:30:08 +05:30 • committed by Madan Koyyalamudi
commit 164aaa90de
1 changed files with 2 additions and 1 deletions
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3
core/sme/src/csr/csr_api_roam.c
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@ -14125,7 +14125,8 @@ void csr_update_pmk_cache_ft(struct mac_context *mac, uint32_t vdev_id,
(scan_res->BssDescriptor.mdie[1] << 8));
sme_debug("Scan_res MDID:0x%x copied to PMKSA",
pmksa.mdid.mobility_domain);
qdf_copy_macaddr(&pmksa.bssid, &pmk_cache->BSSID);
if (pmk_cache)
qdf_copy_macaddr(&pmksa.bssid, &pmk_cache->BSSID);
status = wlan_crypto_update_pmk_cache_ft(vdev, &pmksa);
if (QDF_IS_STATUS_ERROR(status))