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authorFelix Fietkau <nbd@openwrt.org>2015-10-30 15:17:56 +0000
committerFelix Fietkau <nbd@openwrt.org>2015-10-30 15:17:56 +0000
commitd2dc5092764d32155c95b8358903d1a88de47231 (patch)
treee7407a762a23a909064b6e4bbb06b2a775a25e00 /package/kernel/mac80211/patches/310-mac80211-fix-invalid-read-in-minstrel_sort_best_tp_r.patch
parent27d27caaf4f255a7d99ddeb87c5bd1f2c44477ce (diff)
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mac80211: update to wireless-testing 2015-10-26
Signed-off-by: Felix Fietkau <nbd@openwrt.org> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@47286 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/kernel/mac80211/patches/310-mac80211-fix-invalid-read-in-minstrel_sort_best_tp_r.patch')
-rw-r--r--package/kernel/mac80211/patches/310-mac80211-fix-invalid-read-in-minstrel_sort_best_tp_r.patch34
1 files changed, 0 insertions, 34 deletions
diff --git a/package/kernel/mac80211/patches/310-mac80211-fix-invalid-read-in-minstrel_sort_best_tp_r.patch b/package/kernel/mac80211/patches/310-mac80211-fix-invalid-read-in-minstrel_sort_best_tp_r.patch
deleted file mode 100644
index 51a315c204..0000000000
--- a/package/kernel/mac80211/patches/310-mac80211-fix-invalid-read-in-minstrel_sort_best_tp_r.patch
+++ /dev/null
@@ -1,34 +0,0 @@
-From: Adrien Schildknecht <adrien+dev@schischi.me>
-Date: Tue, 28 Jul 2015 10:30:16 +0200
-Subject: [PATCH] mac80211: fix invalid read in minstrel_sort_best_tp_rates()
-
-At the last iteration of the loop, j may equal zero and thus
-tp_list[j - 1] causes an invalid read.
-Changed the logic of the loop so that j - 1 is always >= 0.
-
-Signed-off-by: Adrien Schildknecht <adrien+dev@schischi.me>
----
-
---- a/net/mac80211/rc80211_minstrel.c
-+++ b/net/mac80211/rc80211_minstrel.c
-@@ -92,14 +92,15 @@ int minstrel_get_tp_avg(struct minstrel_
- static inline void
- minstrel_sort_best_tp_rates(struct minstrel_sta_info *mi, int i, u8 *tp_list)
- {
-- int j = MAX_THR_RATES;
-- struct minstrel_rate_stats *tmp_mrs = &mi->r[j - 1].stats;
-+ int j;
-+ struct minstrel_rate_stats *tmp_mrs;
- struct minstrel_rate_stats *cur_mrs = &mi->r[i].stats;
-
-- while (j > 0 && (minstrel_get_tp_avg(&mi->r[i], cur_mrs->prob_ewma) >
-- minstrel_get_tp_avg(&mi->r[tp_list[j - 1]], tmp_mrs->prob_ewma))) {
-- j--;
-+ for (j = MAX_THR_RATES; j > 0; --j) {
- tmp_mrs = &mi->r[tp_list[j - 1]].stats;
-+ if (minstrel_get_tp_avg(&mi->r[i], cur_mrs->prob_ewma) <=
-+ minstrel_get_tp_avg(&mi->r[tp_list[j - 1]], tmp_mrs->prob_ewma))
-+ break;
- }
-
- if (j < MAX_THR_RATES - 1)