Felix Fietkau 945c10ad59 mac80211: minstrel: fix tx status processing corner case
commit b2911a84396f72149dce310a3b64d8948212c1b3 upstream.

Some drivers fill the status rate list without setting the rate index after
the final rate to -1. minstrel_ht already deals with this, but minstrel
doesn't, which causes it to get stuck at the lowest rate on these drivers.

Fix this by checking the count as well.

Cc: stable@vger.kernel.org
Fixes: cccf129f820e ("mac80211: add the 'minstrel' rate control algorithm")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://lore.kernel.org/r/20201111183359.43528-3-nbd@nbd.name
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-24 13:29:23 +01:00
2019-09-22 10:34:46 -07:00
2019-11-10 13:41:59 -08:00
2020-11-22 10:14:12 +01:00

Linux kernel
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