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qcacld-3.0: Add null check in lim_populate_vht_mcs_set() API

瀏覽代碼 
session_entry pointer has been dereferenced without checking against
NULL.

Add NULL check before dereferencing it.

CRs-Fixed: 2232738
Change-Id: I899a5da2affd70acf274bdceca11e9d47c7659b5
This commit is contained in:
Krunal Soni
2018-05-03 14:09:47 -07:00
committed by nshrivas
父節點 e2c45a9aa6
當前提交 3e4a3b62f7
共有 1 個文件被更改，包括 2 次插入 和 2 次删除
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core/mac/src/pe/lim/lim_assoc_utils.c
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@@ -1388,7 +1388,7 @@ tSirRetStatus lim_populate_vht_mcs_set(tpAniSirGlobal mac_ctx,
VHT_TX_HIGHEST_SUPPORTED_DATA_RATE_1_1; VHT_TX_HIGHEST_SUPPORTED_DATA_RATE_1_1;
rates->vhtRxHighestDataRate = rates->vhtRxHighestDataRate =
VHT_RX_HIGHEST_SUPPORTED_DATA_RATE_1_1; VHT_RX_HIGHEST_SUPPORTED_DATA_RATE_1_1;
if (!session_entry->ch_width && if (session_entry && !session_entry->ch_width &&
!mac_ctx->roam.configParam.enable_vht20_mcs9 && !mac_ctx->roam.configParam.enable_vht20_mcs9 &&
((rates->vhtRxMCSMap & VHT_1x1_MCS_MASK) == ((rates->vhtRxMCSMap & VHT_1x1_MCS_MASK) ==
VHT_1x1_MCS9_MAP)) { VHT_1x1_MCS9_MAP)) {
@@ -1398,7 +1398,7 @@ tSirRetStatus lim_populate_vht_mcs_set(tpAniSirGlobal mac_ctx,
NSS_1x1_MODE); NSS_1x1_MODE);
} }
} else { } else {
if (!session_entry->ch_width && if (session_entry && !session_entry->ch_width &&
!mac_ctx->roam.configParam.enable_vht20_mcs9 && !mac_ctx->roam.configParam.enable_vht20_mcs9 &&
((rates->vhtRxMCSMap & VHT_2x2_MCS_MASK) == ((rates->vhtRxMCSMap & VHT_2x2_MCS_MASK) ==
VHT_2x2_MCS9_MAP)) { VHT_2x2_MCS9_MAP)) {