* [PATCH net-next 05/15] mac80211: Don't access sk_queue_head->next directly.
@ 2018-09-08 20:10 David Miller
0 siblings, 0 replies; only message in thread
From: David Miller @ 2018-09-08 20:10 UTC (permalink / raw)
To: netdev
Use __skb_peek() instead.
Signed-off-by: David S. Miller <davem@davemloft.net>
---
net/mac80211/rx.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index c6bfd4019d44..a0ca27aeb732 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -2077,6 +2077,7 @@ ieee80211_reassemble_find(struct ieee80211_sub_if_data *sdata,
idx = sdata->fragment_next;
for (i = 0; i < IEEE80211_FRAGMENT_MAX; i++) {
struct ieee80211_hdr *f_hdr;
+ struct sk_buff *f_skb;
idx--;
if (idx < 0)
@@ -2088,7 +2089,8 @@ ieee80211_reassemble_find(struct ieee80211_sub_if_data *sdata,
entry->last_frag + 1 != frag)
continue;
- f_hdr = (struct ieee80211_hdr *)entry->skb_list.next->data;
+ f_skb = __skb_peek(&entry->skb_list);
+ f_hdr = (struct ieee80211_hdr *) f_skb->data;
/*
* Check ftype and addresses are equal, else check next fragment
--
2.17.1
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2018-09-08 20:10 [PATCH net-next 05/15] mac80211: Don't access sk_queue_head->next directly David Miller
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