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authorJouni Malinen <jouni.malinen@atheros.com>2009-05-15 12:38:32 +0300
committerJohn W. Linville <linville@tuxdriver.com>2009-05-20 14:46:25 -0400
commit9f26a952210e44691f784b77bf1f83a500d63f58 (patch)
treea11a5ab475cc8cfa61362e57b6b6c4e018d21996 /net/mac80211
parentcc65965cbb24d2ca2bb70f26cac9d7243349e7e3 (diff)
nl80211: Validate NL80211_ATTR_KEY_SEQ length
Validate RSC (NL80211_ATTR_KEY_SEQ) length in nl80211/cfg80211 instead of having to do this in all the drivers. Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/key.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index 827ea8e6ee0a..ce267565e180 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -320,7 +320,7 @@ struct ieee80211_key *ieee80211_key_alloc(enum ieee80211_key_alg alg,
case ALG_TKIP:
key->conf.iv_len = TKIP_IV_LEN;
key->conf.icv_len = TKIP_ICV_LEN;
- if (seq && seq_len == 6) {
+ if (seq) {
for (i = 0; i < NUM_RX_DATA_QUEUES; i++) {
key->u.tkip.rx[i].iv32 =
get_unaligned_le32(&seq[2]);
@@ -332,7 +332,7 @@ struct ieee80211_key *ieee80211_key_alloc(enum ieee80211_key_alg alg,
case ALG_CCMP:
key->conf.iv_len = CCMP_HDR_LEN;
key->conf.icv_len = CCMP_MIC_LEN;
- if (seq && seq_len == CCMP_PN_LEN) {
+ if (seq) {
for (i = 0; i < NUM_RX_DATA_QUEUES; i++)
for (j = 0; j < CCMP_PN_LEN; j++)
key->u.ccmp.rx_pn[i][j] =
@@ -342,7 +342,7 @@ struct ieee80211_key *ieee80211_key_alloc(enum ieee80211_key_alg alg,
case ALG_AES_CMAC:
key->conf.iv_len = 0;
key->conf.icv_len = sizeof(struct ieee80211_mmie);
- if (seq && seq_len == 6)
+ if (seq)
for (j = 0; j < 6; j++)
key->u.aes_cmac.rx_pn[j] = seq[6 - j - 1];
break;