cfg80211: add warning when calculating MCS rates >= 32
cfg80211_calculate_bitrate() doesn't work for MCS
rates 32 or higher, and it has always returned 0
in that case. Warn if it ever really happens.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/wireless/util.c b/net/wireless/util.c
index 6cba001..177df03 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -880,7 +880,7 @@
return rate->legacy;
/* the formula below does only work for MCS values smaller than 32 */
- if (rate->mcs >= 32)
+ if (WARN_ON_ONCE(rate->mcs >= 32))
return 0;
modulation = rate->mcs & 7;