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| author | Felix Fietkau <nbd@openwrt.org> | 2014-11-24 17:13:54 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2014-11-24 17:13:54 +0000 |
| commit | 8f7e398350faf158484163489a55eba9d55d4129 (patch) | |
| tree | f84b03e0f823b47bda562e693fadb3ec667ca816 /package/kernel/mac80211 | |
| parent | f3df3bdb26157966ec6425397ef96cd489c631b1 (diff) | |
| download | mtk-20170518-8f7e398350faf158484163489a55eba9d55d4129.zip mtk-20170518-8f7e398350faf158484163489a55eba9d55d4129.tar.gz mtk-20170518-8f7e398350faf158484163489a55eba9d55d4129.tar.bz2 | |
mac80211: fix a crash on getting the channel in WDS AP mode (#18400)
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 43367
Diffstat (limited to 'package/kernel/mac80211')
| -rw-r--r-- | package/kernel/mac80211/patches/323-mac80211-copy-chandef-from-AP-vif-to-VLANs.patch | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/323-mac80211-copy-chandef-from-AP-vif-to-VLANs.patch b/package/kernel/mac80211/patches/323-mac80211-copy-chandef-from-AP-vif-to-VLANs.patch new file mode 100644 index 0000000..fca0c16 --- /dev/null +++ b/package/kernel/mac80211/patches/323-mac80211-copy-chandef-from-AP-vif-to-VLANs.patch @@ -0,0 +1,82 @@ +From: Felix Fietkau <nbd@openwrt.org> +Date: Mon, 24 Nov 2014 18:09:03 +0100 +Subject: [PATCH] mac80211: copy chandef from AP vif to VLANs + +Fixes a crash in nl80211_send_chandef, introduced in + +commit c12bc4885f4b3bab0ed779c69d5d7e3223fa5003 +"mac80211: return the vif's chandef in ieee80211_cfg_get_channel()" + +Signed-off-by: Felix Fietkau <nbd@openwrt.org> +--- + +--- a/net/mac80211/chan.c ++++ b/net/mac80211/chan.c +@@ -932,6 +932,21 @@ ieee80211_vif_chanctx_reservation_comple + } + } + ++static void ++ieee80211_vif_update_chandef(struct ieee80211_sub_if_data *sdata, ++ const struct cfg80211_chan_def *chandef) ++{ ++ struct ieee80211_sub_if_data *vlan; ++ ++ sdata->vif.bss_conf.chandef = *chandef; ++ ++ if (sdata->vif.type != NL80211_IFTYPE_AP) ++ return; ++ ++ list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) ++ vlan->vif.bss_conf.chandef = *chandef; ++} ++ + static int + ieee80211_vif_use_reserved_reassign(struct ieee80211_sub_if_data *sdata) + { +@@ -994,7 +1009,7 @@ ieee80211_vif_use_reserved_reassign(stru + if (sdata->vif.bss_conf.chandef.width != sdata->reserved_chandef.width) + changed = BSS_CHANGED_BANDWIDTH; + +- sdata->vif.bss_conf.chandef = sdata->reserved_chandef; ++ ieee80211_vif_update_chandef(sdata, &sdata->reserved_chandef); + + if (changed) + ieee80211_bss_info_change_notify(sdata, changed); +@@ -1336,7 +1351,7 @@ static int ieee80211_vif_use_reserved_sw + sdata->reserved_chandef.width) + changed = BSS_CHANGED_BANDWIDTH; + +- sdata->vif.bss_conf.chandef = sdata->reserved_chandef; ++ ieee80211_vif_update_chandef(sdata, &sdata->reserved_chandef); + if (changed) + ieee80211_bss_info_change_notify(sdata, + changed); +@@ -1507,7 +1522,7 @@ int ieee80211_vif_use_channel(struct iee + goto out; + } + +- sdata->vif.bss_conf.chandef = *chandef; ++ ieee80211_vif_update_chandef(sdata, chandef); + + ret = ieee80211_assign_vif_chanctx(sdata, ctx); + if (ret) { +@@ -1649,7 +1664,7 @@ int ieee80211_vif_change_bandwidth(struc + break; + } + +- sdata->vif.bss_conf.chandef = *chandef; ++ ieee80211_vif_update_chandef(sdata, chandef); + + ieee80211_recalc_chanctx_chantype(local, ctx); + +--- a/net/mac80211/iface.c ++++ b/net/mac80211/iface.c +@@ -520,6 +520,7 @@ int ieee80211_do_open(struct wireless_de + sdata->vif.cab_queue = master->vif.cab_queue; + memcpy(sdata->vif.hw_queue, master->vif.hw_queue, + sizeof(sdata->vif.hw_queue)); ++ sdata->vif.bss_conf.chandef = master->vif.bss_conf.chandef; + break; + } + case NL80211_IFTYPE_AP: |