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qcacld-3.0: Allocate memory for wlan_mac.bin

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Directly accessing fw->data is not supported on msmcobalt.
It causes system crash due to invalid pointer.
Hence allocate memory and copy the content of
wlan_mac.bin to that memory before accessing it.

Change-Id: Ie10a8ccd3cc16d48fa509ece997f9098fce52c55
CRs-Fixed: 1045912
This commit is contained in:
Yuanyuan Liu 2016-07-25 11:40:38 -07:00 • committed by Vishwajith Upendra
commit 6043d3cff2
1 changed files with 13 additions and 1 deletions
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14
core/hdd/src/wlan_hdd_cfg.c
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@ -5693,6 +5693,7 @@ QDF_STATUS hdd_update_mac_config(hdd_context_t *pHddCtx)
int status, i = 0;
const struct firmware *fw = NULL;
char *line, *buffer = NULL;
char *temp = NULL;
char *name, *value;
tCfgIniEntry macTable[QDF_MAX_CONCURRENCY_PERSONA];
tSirMacAddr customMacAddr;
@ -5714,7 +5715,17 @@ QDF_STATUS hdd_update_mac_config(hdd_context_t *pHddCtx)
goto config_exit;
}
buffer = (char *)fw->data;
hdd_debug("wlan_mac.bin size %zu", fw->size);
temp = qdf_mem_malloc(fw->size);
if (temp == NULL) {
hdd_err("fail to alloc memory");
qdf_status = QDF_STATUS_E_NOMEM;
goto config_exit;
}
buffer = temp;
qdf_mem_copy(buffer, fw->data, fw->size);
/* data format:
* Intf0MacAddress=00AA00BB00CC
@ -5769,6 +5780,7 @@ QDF_STATUS hdd_update_mac_config(hdd_context_t *pHddCtx)
sme_set_custom_mac_addr(customMacAddr);
config_exit:
qdf_mem_free(temp);
release_firmware(fw);
return qdf_status;
}