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Diffstat (limited to 'net/wireless/pmsr.c')
-rw-r--r--net/wireless/pmsr.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/net/wireless/pmsr.c b/net/wireless/pmsr.c
index 6bdd96408022..d245968b74cb 100644
--- a/net/wireless/pmsr.c
+++ b/net/wireless/pmsr.c
@@ -334,6 +334,7 @@ void cfg80211_pmsr_complete(struct wireless_dev *wdev,
gfp_t gfp)
{
struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
+ struct cfg80211_pmsr_request *tmp, *prev, *to_free = NULL;
struct sk_buff *msg;
void *hdr;
@@ -364,9 +365,20 @@ free_msg:
nlmsg_free(msg);
free_request:
spin_lock_bh(&wdev->pmsr_lock);
- list_del(&req->list);
+ /*
+ * cfg80211_pmsr_process_abort() may have already moved this request
+ * to the free list, and will free it later. In this case, don't free
+ * it here.
+ */
+ list_for_each_entry_safe(tmp, prev, &wdev->pmsr_list, list) {
+ if (tmp == req) {
+ list_del(&req->list);
+ to_free = req;
+ break;
+ }
+ }
spin_unlock_bh(&wdev->pmsr_lock);
- kfree(req);
+ kfree(to_free);
}
EXPORT_SYMBOL_GPL(cfg80211_pmsr_complete);