From 860c6e6a15c5082e1a1ff1faeb56cdf439380e87 Mon Sep 17 00:00:00 2001 From: Ivan Kuten Date: Mon, 24 Nov 2008 15:17:54 -0500 Subject: [PATCH] mac80211: fix unaligned access in ieee80211_wep_encrypt_data Signed-off-by: Ivan Kuten Signed-off-by: John W. Linville --- net/mac80211/wep.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/net/mac80211/wep.c b/net/mac80211/wep.c index 7bbb98e846a..7043ddc7549 100644 --- a/net/mac80211/wep.c +++ b/net/mac80211/wep.c @@ -17,6 +17,7 @@ #include #include #include +#include #include #include "ieee80211_i.h" @@ -125,10 +126,10 @@ void ieee80211_wep_encrypt_data(struct crypto_blkcipher *tfm, u8 *rc4key, { struct blkcipher_desc desc = { .tfm = tfm }; struct scatterlist sg; - __le32 *icv; + __le32 icv; - icv = (__le32 *)(data + data_len); - *icv = cpu_to_le32(~crc32_le(~0, data, data_len)); + icv = cpu_to_le32(~crc32_le(~0, data, data_len)); + put_unaligned(icv, (__le32 *)(data + data_len)); crypto_blkcipher_setkey(tfm, rc4key, klen); sg_init_one(&sg, data, data_len + WEP_ICV_LEN); -- 2.20.1