diff options
| author | Ben Greear <greearb@candelatech.com> | 2014-04-30 23:02:05 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2014-05-06 22:51:01 +0400 |
| commit | 76c939832aa95f6e0e84f173b36906eea2235cee (patch) | |
| tree | d237717adec6e2600f1ab0715d95203ea84b4bc3 /drivers/net/wireless/ath/ath9k/beacon.c | |
| parent | 68b422db3d93878c71200c27e2bffd1c57f72974 (diff) | |
| download | linux-76c939832aa95f6e0e84f173b36906eea2235cee.tar.xz | |
ath9k: Prevent divide-by-zero upon bad beacon_interval.
A similar patch fixed crashes seen on an ath9k system
when testing against a broken ath10k AP. This patch
is slightly less protective, but probably will do the
job and is less redundant.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/beacon.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/beacon.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c index bd9e634879e6..e387f0b2954a 100644 --- a/drivers/net/wireless/ath/ath9k/beacon.c +++ b/drivers/net/wireless/ath/ath9k/beacon.c @@ -537,8 +537,6 @@ static void ath9k_cache_beacon_config(struct ath_softc *sc, cur_conf->dtim_period = bss_conf->dtim_period; cur_conf->dtim_count = 1; cur_conf->ibss_creator = bss_conf->ibss_creator; - cur_conf->bmiss_timeout = - ATH_DEFAULT_BMISS_LIMIT * cur_conf->beacon_interval; /* * It looks like mac80211 may end up using beacon interval of zero in @@ -549,6 +547,9 @@ static void ath9k_cache_beacon_config(struct ath_softc *sc, if (cur_conf->beacon_interval == 0) cur_conf->beacon_interval = 100; + cur_conf->bmiss_timeout = + ATH_DEFAULT_BMISS_LIMIT * cur_conf->beacon_interval; + /* * We don't parse dtim period from mac80211 during the driver * initialization as it breaks association with hidden-ssid |