Christian Lamparter <chunk...@googlemail.com> schrieb:
>This patch fixes a crash which is triggered
>by __ieee80211_beacon_get returning NULL.
Ouch, thanks for catching this!
Helmut
>This causes sky_copy to crash later unless
>the hardware supports BEACON_TX_STATUS
>feature.
>
>Signed-off-by: Christian Lamparter <chunk...@googlemail.com>
>---
>"mac80211: Copy tx'ed beacons to monitor mode" added the skb_copy.
>There are few other possibilities to do this. This is just one.
>---
> net/mac80211/tx.c | 3 +++
> 1 file changed, 3 insertions(+)
>
>diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
>index f7317a7..666e46b 100644
>--- a/net/mac80211/tx.c
>+++ b/net/mac80211/tx.c
>@@ -3530,6 +3530,9 @@ struct sk_buff *ieee80211_beacon_get_tim(struct
>ieee80211_hw *hw,
> struct ieee80211_supported_band *sband;
> int shift;
>
>+ if (!bcn)
>+ return bcn;
>+
> if (tim_offset)
> *tim_offset = offs.tim_offset;
>
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