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| author | Felix Fietkau <nbd@openwrt.org> | 2014-11-21 22:29:48 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2014-11-21 22:29:48 +0000 |
| commit | e2cc653b5c9e5df1b88bdeb62aeefff80dbf3ac7 (patch) | |
| tree | 4224fa3fd188b1e29f911b442d84b86ad6922ce3 | |
| parent | f0eb51712ed05f167ff563b29659408775300dc9 (diff) | |
| download | upstream-e2cc653b5c9e5df1b88bdeb62aeefff80dbf3ac7.tar.gz upstream-e2cc653b5c9e5df1b88bdeb62aeefff80dbf3ac7.tar.bz2 upstream-e2cc653b5c9e5df1b88bdeb62aeefff80dbf3ac7.zip | |
mac80211: fix a crash on using VHT rates
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43340 3c298f89-4303-0410-b956-a3cf2f4a3e73
| -rw-r--r-- | package/kernel/mac80211/patches/322-mac80211-add-more-missing-checks-for-VHT-tx-rates.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/322-mac80211-add-more-missing-checks-for-VHT-tx-rates.patch b/package/kernel/mac80211/patches/322-mac80211-add-more-missing-checks-for-VHT-tx-rates.patch new file mode 100644 index 0000000000..4d1465cabb --- /dev/null +++ b/package/kernel/mac80211/patches/322-mac80211-add-more-missing-checks-for-VHT-tx-rates.patch @@ -0,0 +1,34 @@ +From: Felix Fietkau <nbd@openwrt.org> +Date: Fri, 21 Nov 2014 23:27:33 +0100 +Subject: [PATCH] mac80211: add more missing checks for VHT tx rates + +Fixes a crash on attempting to calculate the frame duration for a VHT +packet (which needs to be handled by hw/driver instead). + +Reported-by: Jouni Malinen <j@w1.fi> +Signed-off-by: Felix Fietkau <nbd@openwrt.org> +--- + +--- a/net/mac80211/rate.c ++++ b/net/mac80211/rate.c +@@ -446,7 +446,8 @@ static void rate_fixup_ratelist(struct i + * + * XXX: Should this check all retry rates? + */ +- if (!(rates[0].flags & IEEE80211_TX_RC_MCS)) { ++ if (!(rates[0].flags & ++ (IEEE80211_TX_RC_MCS | IEEE80211_TX_RC_VHT_MCS))) { + u32 basic_rates = vif->bss_conf.basic_rates; + s8 baserate = basic_rates ? ffs(basic_rates) - 1 : 0; + +--- a/net/mac80211/tx.c ++++ b/net/mac80211/tx.c +@@ -60,7 +60,7 @@ static __le16 ieee80211_duration(struct + rcu_read_unlock(); + + /* assume HW handles this */ +- if (tx->rate.flags & IEEE80211_TX_RC_MCS) ++ if (tx->rate.flags & (IEEE80211_TX_RC_MCS | IEEE80211_TX_RC_VHT_MCS)) + return 0; + + /* uh huh? */ |