Author: rmilecki
Date: 2016-04-25 17:32:20 +0200 (Mon, 25 Apr 2016)
New Revision: 49222
Added:
trunk/package/kernel/mac80211/patches/860-brcmfmac-add-missing-eth_type_trans-call.patch
Log:
mac80211: add brcmfmac regression ("NULL pointer dereference") fix
Signed-off-by: Rafa{U+0142} Mi{U+0142}ecki <[email protected]>
Added:
trunk/package/kernel/mac80211/patches/860-brcmfmac-add-missing-eth_type_trans-call.patch
===================================================================
---
trunk/package/kernel/mac80211/patches/860-brcmfmac-add-missing-eth_type_trans-call.patch
(rev 0)
+++
trunk/package/kernel/mac80211/patches/860-brcmfmac-add-missing-eth_type_trans-call.patch
2016-04-25 15:32:20 UTC (rev 49222)
@@ -0,0 +1,26 @@
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <[email protected]>
+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 <[email protected]>
+---
+
+--- 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);
+ }
+
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