crypto: hash - introduce crypto_hash_alg_has_setkey()

[pandora-kernel.git] / crypto / api.c

diff --git a/crypto/api.c b/crypto/api.c
index 798526d..a5547fb 100644 (file)
--- a/crypto/api.c
+++ b/crypto/api.c
@@ -10,7 +10,7 @@
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option) 
+ * Software Foundation; either version 2 of the License, or (at your option)
  * any later version.
  *
  */
@@ -34,6 +34,8 @@ EXPORT_SYMBOL_GPL(crypto_alg_sem);
 BLOCKING_NOTIFIER_HEAD(crypto_chain);
 EXPORT_SYMBOL_GPL(crypto_chain);
 
+static struct crypto_alg *crypto_larval_wait(struct crypto_alg *alg);
+
 static inline struct crypto_alg *crypto_alg_get(struct crypto_alg *alg)
 {
        atomic_inc(&alg->cra_refcnt);
@@ -150,8 +152,11 @@ static struct crypto_alg *crypto_larval_add(const char *name, u32 type,
        }
        up_write(&crypto_alg_sem);
 
-       if (alg != &larval->alg)
+       if (alg != &larval->alg) {
                kfree(larval);
+               if (crypto_is_larval(alg))
+                       alg = crypto_larval_wait(alg);
+       }
 
        return alg;
 }
@@ -173,7 +178,7 @@ static struct crypto_alg *crypto_larval_wait(struct crypto_alg *alg)
        struct crypto_larval *larval = (void *)alg;
        long timeout;
 
-       timeout = wait_for_completion_interruptible_timeout(
+       timeout = wait_for_completion_killable_timeout(
                &larval->completion, 60 * HZ);
 
        alg = larval->adult;
@@ -217,11 +222,11 @@ struct crypto_alg *crypto_larval_lookup(const char *name, u32 type, u32 mask)
 
        alg = crypto_alg_lookup(name, type, mask);
        if (!alg) {
-               request_module("%s", name);
+               request_module("crypto-%s", name);
 
                if (!((type ^ CRYPTO_ALG_NEED_FALLBACK) & mask &
                      CRYPTO_ALG_NEED_FALLBACK))
-                       request_module("%s-all", name);
+                       request_module("crypto-%s-all", name);
 
                alg = crypto_alg_lookup(name, type, mask);
        }
@@ -288,11 +293,11 @@ static int crypto_init_ops(struct crypto_tfm *tfm, u32 type, u32 mask)
 
        case CRYPTO_ALG_TYPE_COMPRESS:
                return crypto_init_compress_ops(tfm);
-       
+
        default:
                break;
        }
-       
+
        BUG();
        return -EINVAL;
 }
@@ -315,10 +320,9 @@ static void crypto_exit_ops(struct crypto_tfm *tfm)
        case CRYPTO_ALG_TYPE_COMPRESS:
                crypto_exit_compress_ops(tfm);
                break;
-       
+
        default:
                BUG();
-               
        }
 }
 
@@ -437,7 +441,7 @@ struct crypto_tfm *crypto_alloc_base(const char *alg_name, u32 type, u32 mask)
 err:
                if (err != -EAGAIN)
                        break;
-               if (signal_pending(current)) {
+               if (fatal_signal_pending(current)) {
                        err = -EINTR;
                        break;
                }
@@ -554,7 +558,7 @@ void *crypto_alloc_tfm(const char *alg_name,
 err:
                if (err != -EAGAIN)
                        break;
-               if (signal_pending(current)) {
+               if (fatal_signal_pending(current)) {
                        err = -EINTR;
                        break;
                }
@@ -593,12 +597,12 @@ int crypto_has_alg(const char *name, u32 type, u32 mask)
 {
        int ret = 0;
        struct crypto_alg *alg = crypto_alg_mod_lookup(name, type, mask);
-       
+
        if (!IS_ERR(alg)) {
                crypto_mod_put(alg);
                ret = 1;
        }
-       
+
        return ret;
 }
 EXPORT_SYMBOL_GPL(crypto_has_alg);