* [PATCH 1/2] Add get_unaligned to ieee80211_get_radiotap_len
@ 2007-07-26 12:10 warmcat
0 siblings, 0 replies; only message in thread
From: warmcat @ 2007-07-26 12:10 UTC (permalink / raw)
To: linux-wireless
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 <andy@warmcat.com>
---
net/mac80211/ieee80211.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/net/mac80211/ieee80211.c b/net/mac80211/ieee80211.c
index a42e70e..6f5c001 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
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