From: Johannes Berg <[email protected]>

If we just set this to 2048, and have multiple limits you
can select from, the total number might run over and cause
a warning in cfg80211. This doesn't make sense, so we just
calculate the total max_interfaces now.

Reported-by: [email protected]
Signed-off-by: Johannes Berg <[email protected]>
---
 drivers/net/wireless/mac80211_hwsim.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/mac80211_hwsim.c 
b/drivers/net/wireless/mac80211_hwsim.c
index 77bce2d27841..1fe94dfee5c6 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -2644,7 +2644,7 @@ static int mac80211_hwsim_new_radio(struct genl_info 
*info,
        enum nl80211_band band;
        const struct ieee80211_ops *ops = &mac80211_hwsim_ops;
        struct net *net;
-       int idx;
+       int idx, i;
        int n_limits = 0;
 
        if (WARN_ON(param->channels > 1 && !param->use_chanctx))
@@ -2768,8 +2768,12 @@ static int mac80211_hwsim_new_radio(struct genl_info 
*info,
                goto failed_hw;
        }
 
+       data->if_combination.max_interfaces = 0;
+       for (i = 0; i < n_limits; i++)
+               data->if_combination.max_interfaces +=
+                       data->if_limits[n_limits].max;
+
        data->if_combination.n_limits = n_limits;
-       data->if_combination.max_interfaces = 2048;
        data->if_combination.limits = data->if_limits;
 
        hw->wiphy->iface_combinations = &data->if_combination;
-- 
2.17.2

Reply via email to