crypto: drop mask=CRYPTO_ALG_ASYNC from 'cipher' tfm allocations

'cipher' algorithms (single block ciphers) are always synchronous, so
passing CRYPTO_ALG_ASYNC in the mask to crypto_alloc_cipher() has no
effect.  Many users therefore already don't pass it, but some still do.
This inconsistency can cause confusion, especially since the way the
'mask' argument works is somewhat counterintuitive.

Thus, just remove the unneeded CRYPTO_ALG_ASYNC flags.

This patch shouldn't change any actual behavior.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

3 files changed, 5 insertions, 5 deletions

diff --git a/net/wireless/lib80211_crypt_ccmp.c b/net/wireless/lib80211_crypt_ccmp.c
index 6beab0cfcb99..55214fe925b2 100644
--- a/net/wireless/lib80211_crypt_ccmp.c
+++ b/net/wireless/lib80211_crypt_ccmp.c
@@ -75,7 +75,7 @@ static void *lib80211_ccmp_init(int key_idx)
                 goto fail;
         priv->key_idx = key_idx;
 
-        priv->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
+        priv->tfm = crypto_alloc_cipher("aes", 0, 0);
         if (IS_ERR(priv->tfm)) {
                 priv->tfm = NULL;
                 goto fail;
diff --git a/net/wireless/lib80211_crypt_tkip.c b/net/wireless/lib80211_crypt_tkip.c
index b5e235573c8a..35f06563207d 100644
--- a/net/wireless/lib80211_crypt_tkip.c
+++ b/net/wireless/lib80211_crypt_tkip.c
@@ -99,7 +99,7 @@ static void *lib80211_tkip_init(int key_idx)
 
         priv->key_idx = key_idx;
 
-        priv->tx_tfm_arc4 = crypto_alloc_cipher("arc4", 0, CRYPTO_ALG_ASYNC);
+        priv->tx_tfm_arc4 = crypto_alloc_cipher("arc4", 0, 0);
         if (IS_ERR(priv->tx_tfm_arc4)) {
                 priv->tx_tfm_arc4 = NULL;
                 goto fail;
@@ -111,7 +111,7 @@ static void *lib80211_tkip_init(int key_idx)
                 goto fail;
         }
 
-        priv->rx_tfm_arc4 = crypto_alloc_cipher("arc4", 0, CRYPTO_ALG_ASYNC);
+        priv->rx_tfm_arc4 = crypto_alloc_cipher("arc4", 0, 0);
         if (IS_ERR(priv->rx_tfm_arc4)) {
                 priv->rx_tfm_arc4 = NULL;
                 goto fail;
diff --git a/net/wireless/lib80211_crypt_wep.c b/net/wireless/lib80211_crypt_wep.c
index 6015f6b542a6..20c1ad63ad44 100644
--- a/net/wireless/lib80211_crypt_wep.c
+++ b/net/wireless/lib80211_crypt_wep.c
@@ -48,13 +48,13 @@ static void *lib80211_wep_init(int keyidx)
                 goto fail;
         priv->key_idx = keyidx;
 
-        priv->tx_tfm = crypto_alloc_cipher("arc4", 0, CRYPTO_ALG_ASYNC);
+        priv->tx_tfm = crypto_alloc_cipher("arc4", 0, 0);
         if (IS_ERR(priv->tx_tfm)) {
                 priv->tx_tfm = NULL;
                 goto fail;
         }
 
-        priv->rx_tfm = crypto_alloc_cipher("arc4", 0, CRYPTO_ALG_ASYNC);
+        priv->rx_tfm = crypto_alloc_cipher("arc4", 0, 0);
         if (IS_ERR(priv->rx_tfm)) {
                 priv->rx_tfm = NULL;
                 goto fail;