From: Zhu Yi <yi.zhu@xxxxxxxxx>
This fixed a BUG_ON in __skb_trim() when paged rx is used in
iwlwifi driver. Yes, the whole mac80211 stack doesn't support
paged SKB yet. But let's start the work slowly from small
code snippets.
Reported-and-tested-by: Abhijeet Kolekar <abhijeet.kolekar@xxxxxxxxx>
Signed-off-by: Zhu Yi <yi.zhu@xxxxxxxxx>
Signed-off-by: Reinette Chatre <reinette.chatre@xxxxxxxxx>
---
net/mac80211/rx.c | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 5c385e3..a50d5f3 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1337,10 +1337,10 @@ ieee80211_deliver_skb(struct ieee80211_rx_data *rx)
skb = NULL;
} else {
u8 *data = skb->data;
- size_t len = skb->len;
- u8 *new = __skb_push(skb, align);
- memmove(new, data, len);
- __skb_trim(skb, len);
+ size_t len = skb_headlen(skb);
+ skb->data -= align;
+ memmove(skb->data, data, len);
+ skb_set_tail_pointer(skb, len);
}
}
#endif
--
1.5.6.3
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