If at least one of arc4 and ecb is built as a module, then autoloading
of the algorithm fails, because crypto_alloc_blkcipher tries to
request the module "ecb(arc4)", which does not exist.
This patch was made against 2.6.30, but should apply cleanly on top of
the wireless-2.6 git tree.
Signed-off-by: Andreas Oberritter <obi@xxxxxxxxxxx>
---
net/mac80211/wep.c | 11 +++++++++++
1 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/net/mac80211/wep.c b/net/mac80211/wep.c
index ef73105..78e9119 100644
--- a/net/mac80211/wep.c
+++ b/net/mac80211/wep.c
@@ -29,6 +29,17 @@ int ieee80211_wep_init(struct ieee80211_local *local)
/* start WEP IV from a random value */
get_random_bytes(&local->wep_iv, WEP_IV_LEN);
+ /*
+ * crypto_alloc_blkcipher() will request the
+ * module "ecb(arc4)", which does not exist.
+ */
+#ifdef CONFIG_CRYPTO_ARC4_MODULE
+ request_module("arc4");
+#endif
+#ifdef CONFIG_CRYPTO_ECB_MODULE
+ request_module("ecb");
+#endif
+
local->wep_tx_tfm = crypto_alloc_blkcipher("ecb(arc4)", 0,
CRYPTO_ALG_ASYNC);
if (IS_ERR(local->wep_tx_tfm))
--
1.6.0.4
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