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https://github.com/Divested-Mobile/DivestOS-Build.git
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44 lines
1.6 KiB
Diff
44 lines
1.6 KiB
Diff
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From d60a5839ba987e2c9d365fef950cae0c9ad11010 Mon Sep 17 00:00:00 2001
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From: SaidiReddy Yenuga <saidir@codeaurora.org>
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Date: Tue, 21 Feb 2017 13:05:26 +0530
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Subject: qcacld-3.0: Trim operation classes to max supported in change station
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qcacld-2.0 to qcacld-3.0 Propagation.
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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 | 8 ++++++++
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1 file changed, 8 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 2ac8896..8f13919 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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@@ -10513,6 +10513,14 @@ static int __wlan_hdd_change_station(struct wiphy *wiphy,
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hdd_notice("After removing duplcates StaParams.supported_channels_len: %d",
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StaParams.supported_channels_len);
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}
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+ if (params->supported_oper_classes_len >
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+ CDS_MAX_SUPP_OPER_CLASSES) {
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+ hdd_notice("received oper classes:%d, resetting it to max supported: %d",
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+ params->supported_oper_classes_len,
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+ CDS_MAX_SUPP_OPER_CLASSES);
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+ params->supported_oper_classes_len =
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+ CDS_MAX_SUPP_OPER_CLASSES;
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+ }
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qdf_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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