From fce7d5cfc9d63a21db3530883046072358eab2b0 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Fri, 13 Mar 2015 05:17:06 +0000 Subject: [PATCH] mac80211: fix a pointer handling error in the new tx queueing code Signed-off-by: Felix Fietkau SVN-Revision: 44738 --- ...d-an-intermediate-software-queue-implemen.patch | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/package/kernel/mac80211/patches/300-mac80211-add-an-intermediate-software-queue-implemen.patch b/package/kernel/mac80211/patches/300-mac80211-add-an-intermediate-software-queue-implemen.patch index dbf9737f6d..40aca6dd03 100644 --- a/package/kernel/mac80211/patches/300-mac80211-add-an-intermediate-software-queue-implemen.patch +++ b/package/kernel/mac80211/patches/300-mac80211-add-an-intermediate-software-queue-implemen.patch @@ -323,7 +323,7 @@ Signed-off-by: Felix Fietkau if (!sta) return NULL; -@@ -321,11 +328,23 @@ struct sta_info *sta_info_alloc(struct i +@@ -321,11 +328,25 @@ struct sta_info *sta_info_alloc(struct i for (i = 0; i < ARRAY_SIZE(sta->chain_signal_avg); i++) ewma_init(&sta->chain_signal_avg[i], 1024, 8); @@ -331,15 +331,17 @@ Signed-off-by: Felix Fietkau - kfree(sta); - return NULL; + if (local->ops->wake_tx_queue) { ++ void *txq_data; + int size = sizeof(struct txq_info) + + ALIGN(hw->txq_data_size, sizeof(void *)); + -+ sta->txq = kcalloc(IEEE80211_NUM_TIDS, size, gfp); -+ if (!sta->txq) ++ txq_data = kcalloc(IEEE80211_NUM_TIDS, size, gfp); ++ if (!txq_data) + goto free; + ++ sta->txq = txq_data; + for (i = 0; i < IEEE80211_NUM_TIDS; i++) { -+ struct txq_info *txq = sta->txq + i * size; ++ struct txq_info *txq = txq_data + i * size; + ieee80211_init_tx_queue(sdata, sta, txq, i); + } } @@ -350,7 +352,7 @@ Signed-off-by: Felix Fietkau for (i = 0; i < IEEE80211_NUM_TIDS; i++) { /* * timer_to_tid must be initialized with identity mapping -@@ -346,7 +365,7 @@ struct sta_info *sta_info_alloc(struct i +@@ -346,7 +367,7 @@ struct sta_info *sta_info_alloc(struct i if (sdata->vif.type == NL80211_IFTYPE_AP || sdata->vif.type == NL80211_IFTYPE_AP_VLAN) { struct ieee80211_supported_band *sband = @@ -359,7 +361,7 @@ Signed-off-by: Felix Fietkau u8 smps = (sband->ht_cap.cap & IEEE80211_HT_CAP_SM_PS) >> IEEE80211_HT_CAP_SM_PS_SHIFT; /* -@@ -371,6 +390,12 @@ struct sta_info *sta_info_alloc(struct i +@@ -371,6 +392,12 @@ struct sta_info *sta_info_alloc(struct i sta_dbg(sdata, "Allocated STA %pM\n", sta->sta.addr); return sta; -- 2.30.2