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From: Felix Fietkau <nbd@nbd.name>
Date: Fri, 2 Dec 2022 13:53:11 +0100
Subject: [PATCH] wifi: cfg80211: move A-MSDU check in
ieee80211_data_to_8023_exthdr
When parsing the outer A-MSDU header, don't check for inner bridge tunnel
or RFC1042 headers. This is handled by ieee80211_amsdu_to_8023s already.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -631,8 +631,9 @@ int ieee80211_data_to_8023_exthdr(struct
break;
}
- if (likely(skb_copy_bits(skb, hdrlen, &payload, sizeof(payload)) == 0 &&
- ((!is_amsdu && ether_addr_equal(payload.hdr, rfc1042_header) &&
+ if (likely(!is_amsdu &&
+ skb_copy_bits(skb, hdrlen, &payload, sizeof(payload)) == 0 &&
+ ((ether_addr_equal(payload.hdr, rfc1042_header) &&
payload.proto != htons(ETH_P_AARP) &&
payload.proto != htons(ETH_P_IPX)) ||
ether_addr_equal(payload.hdr, bridge_tunnel_header)))) {
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