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mac80211: add brcmfmac regression ("NULL pointer dereference") fix 

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>

SVN-Revision: 49222
Rafał Miłecki 2016-04-25 15:32:20 +00:00
parent 657a2457a6
commit f4edfc69a3
1 changed files with 26 additions and 0 deletions
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26
package/kernel/mac80211/patches/860-brcmfmac-add-missing-eth_type_trans-call.patch Normal file
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Subject: [PATCH] brcmfmac: add missing eth_type_trans call
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
There are 2 protocols supported by brcmfmac and msgbuf one was missing a
proper skb setup before passing it to the netif. This was triggering
"NULL pointer dereference".
Fixes: 9c349892ccc9 ("brcmfmac: revise handling events in receive path")
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
---
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c
@@ -1157,6 +1157,9 @@ brcmf_msgbuf_process_rx_complete(struct brcmf_msgbuf *msgbuf, void *buf)
brcmu_pkt_buf_free_skb(skb);
return;
}
+
+ skb->protocol = eth_type_trans(skb, ifp->ndev);
+
brcmf_netif_rx(ifp, skb);
}