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43 lines
1.8 KiB
Diff
43 lines
1.8 KiB
Diff
From 93863644b4547324309613361d70ad9dc91f8dfd Mon Sep 17 00:00:00 2001
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From: SaidiReddy Yenuga <saidir@codeaurora.org>
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Date: Tue, 14 Feb 2017 16:00:57 +0530
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Subject: qcacld-2.0: Trim operation classes to max supported in change station
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Operation classes supported can be controlled by user, which can
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be sent greater than the max supported operations. This results
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in stack overflow in change station command.
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Add check to validate operations supported param given by user
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and if it exceeds max supported value, set it to max supported
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value.
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CRs-Fixed: 2002052
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Change-Id: Idd3a35e38b091546a17d7ec6329f19429e5c289c
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---
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CORE/HDD/src/wlan_hdd_cfg80211.c | 9 +++++++++
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1 file changed, 9 insertions(+)
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diff --git a/CORE/HDD/src/wlan_hdd_cfg80211.c b/CORE/HDD/src/wlan_hdd_cfg80211.c
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index 8fc43a7..f82f258 100644
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--- a/CORE/HDD/src/wlan_hdd_cfg80211.c
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+++ b/CORE/HDD/src/wlan_hdd_cfg80211.c
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@@ -13809,6 +13809,15 @@ static int __wlan_hdd_change_station(struct wiphy *wiphy,
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"%s: After removing duplcates StaParams.supported_channels_len: %d",
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__func__, StaParams.supported_channels_len);
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}
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+ if (params->supported_oper_classes_len >
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+ SIR_MAC_MAX_SUPP_OPER_CLASSES) {
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+ VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO,
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+ "received oper classes:%d, resetting it to max supported %d",
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+ params->supported_oper_classes_len,
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+ SIR_MAC_MAX_SUPP_OPER_CLASSES);
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+ params->supported_oper_classes_len =
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+ SIR_MAC_MAX_SUPP_OPER_CLASSES;
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+ }
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vos_mem_copy(StaParams.supported_oper_classes,
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params->supported_oper_classes,
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params->supported_oper_classes_len);
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--
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cgit v1.1
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