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qcacld-3.0: Fix memory corruption in CSR

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Freed scan list is accessed in CSR.

Don't free the memory when the scan list contains
zero entries.

Change-Id: Ia3bd1193288781ea15a2eab2e0a0ffd24b4d03f7
CRs-Fixed: 2052399
This commit is contained in:
Sandeep Puligilla 2017-05-25 11:19:16 -07:00 • committed by snandini
commit 68726b6c73
1 changed files with 0 additions and 1 deletions
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1
core/sme/src/csr/csr_api_scan.c
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@ -5352,7 +5352,6 @@ tpSirBssDescription csr_get_fst_bssdescr_ptr(tScanResultHandle result_handle)
if (csr_ll_is_list_empty(&bss_list->List, LL_ACCESS_NOLOCK)) {
QDF_TRACE(QDF_MODULE_ID_SME, QDF_TRACE_LEVEL_ERROR,
FL("bss_list->List is empty"));
qdf_mem_free(bss_list);
return NULL;
}
first_element = csr_ll_peek_head(&bss_list->List, LL_ACCESS_NOLOCK);