drivers/net/wireless/libertas/rx.c: use-after-free

[Adrian Bunk <bunk@stusta.de>]

The Coverity checker spotted the following use-after-free of "skb" in 
drivers/net/wireless/libertas/rx.c introduced by
commit 9012b28a407511fb355f6d2176a12d4653489672 (WTF did this commit
with the title "libertas: make debug configurable" add the 
"skb->protocol = __constant_htons(0x0019);" line?):

<--  snip  -->

...
static int process_rxed_802_11_packet(wlan_private * priv, struct sk_buff *skb)
{
...
        libertas_upload_rx_packet(priv, skb);

        ret = 0;

done:
        skb->protocol = __constant_htons(0x0019);       /* ETH_P_80211_RAW */
...

<--  snip  -->


cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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