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authorArnaldo Carvalho de Melo <acme@redhat.com>2019-08-12 16:25:00 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2019-08-12 16:25:00 -0300
commit272172bd418cc32aa466588150c8001bc229c712 (patch)
treef529a66933e79ba1f3753e8185112538e861c967 /net/mac80211/mlme.c
parent7f06d0aa530cc61cb5e048d4eb34921dee12058a (diff)
parentd45331b00ddb179e291766617259261c112db872 (diff)
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Merge remote-tracking branch 'torvalds/master' into perf/core
To get closer to upstream and check if we need to sync more UAPI headers, pick up fixes for libbpf that prevent perf's container tests from completing successfuly, etc. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'net/mac80211/mlme.c')
-rw-r--r--net/mac80211/mlme.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index a99ad0325309..4c888dc9bd81 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -2042,6 +2042,16 @@ ieee80211_sta_wmm_params(struct ieee80211_local *local,
ieee80211_regulatory_limit_wmm_params(sdata, &params[ac], ac);
}
+ /* WMM specification requires all 4 ACIs. */
+ for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
+ if (params[ac].cw_min == 0) {
+ sdata_info(sdata,
+ "AP has invalid WMM params (missing AC %d), using defaults\n",
+ ac);
+ return false;
+ }
+ }
+
for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
mlme_dbg(sdata,
"WMM AC=%d acm=%d aifs=%d cWmin=%d cWmax=%d txop=%d uapsd=%d, downgraded=%d\n",