mac80211: sync dtim_count to TSF

On starting a mesh or AP BSS, the interface dtim_count
countdown should match that of the driver TSF.

Signed-off-by: Thomas Pedersen <twpedersen@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index b62cbe82954c..ebf80f3abd83 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -474,6 +474,7 @@ static ssize_t ieee80211_if_parse_tsf(
                 }
         }
 
+        ieee80211_recalc_dtim(local, sdata);
         return buflen;
 }
 IEEE80211_IF_FILE_RW(tsf);