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Diffstat (limited to 'net/mac80211/scan.c')
-rw-r--r--net/mac80211/scan.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index 88c81616f8f7..3ce7f2c8539a 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -472,9 +472,7 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
if (local->ops->hw_scan) {
u8 *ies;
- local->hw_scan_ies_bufsize = 2 + IEEE80211_MAX_SSID_LEN +
- local->scan_ies_len +
- req->ie_len;
+ local->hw_scan_ies_bufsize = local->scan_ies_len + req->ie_len;
local->hw_scan_req = kmalloc(
sizeof(*local->hw_scan_req) +
req->n_channels * sizeof(req->channels[0]) +
@@ -979,8 +977,7 @@ int __ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata,
struct cfg80211_chan_def chandef;
int ret, i, iebufsz;
- iebufsz = 2 + IEEE80211_MAX_SSID_LEN +
- local->scan_ies_len + req->ie_len;
+ iebufsz = local->scan_ies_len + req->ie_len;
lockdep_assert_held(&local->mtx);
@@ -1058,9 +1055,11 @@ int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata)
/* We don't want to restart sched scan anymore. */
local->sched_scan_req = NULL;
- if (rcu_access_pointer(local->sched_scan_sdata))
- drv_sched_scan_stop(local, sdata);
-
+ if (rcu_access_pointer(local->sched_scan_sdata)) {
+ ret = drv_sched_scan_stop(local, sdata);
+ if (!ret)
+ rcu_assign_pointer(local->sched_scan_sdata, NULL);
+ }
out:
mutex_unlock(&local->mtx);