From d876cd16fb5c5c98f1fd0c2cb8d5d1122de51ae8 Mon Sep 17 00:00:00 2001 From: Andy Green Date: Tue, 9 Oct 2007 22:46:33 -0400 Subject: [PATCH] Add get_unaligned to ieee80211_get_radiotap_len patch dfe6e81deaa79c85086c0cc8d85b229e444ab97f in mainline. ieee80211_get_radiotap_len() tries to dereference radiotap length without taking care that it is completely unaligned and get_unaligned() is required. Signed-off-by: Andy Green Signed-off-by: John W. Linville Signed-off-by: Greg Kroah-Hartman --- net/mac80211/ieee80211.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/mac80211/ieee80211.c b/net/mac80211/ieee80211.c index 0c6c3c3b94af..9e0da6e8c443 100644 --- a/net/mac80211/ieee80211.c +++ b/net/mac80211/ieee80211.c @@ -350,7 +350,7 @@ static int ieee80211_get_radiotap_len(struct sk_buff *skb) struct ieee80211_radiotap_header *hdr = (struct ieee80211_radiotap_header *) skb->data; - return le16_to_cpu(hdr->it_len); + return le16_to_cpu(get_unaligned(&hdr->it_len)); } #ifdef CONFIG_MAC80211_LOWTX_FRAME_DUMP