Merge branch 'topic/hwdep-cleanup' into for-linus

[linux-2.6-omap-h63xx.git] / crypto / api.c

diff --git a/crypto/api.c b/crypto/api.c
index 9975a7bd246c21d4d7e3152249ffefdb38812ee5..38a2bc02a98c7f6648f7a7a3388c6182b88c07f9 100644 (file)
--- a/crypto/api.c
+++ b/crypto/api.c
@@ -215,8 +215,19 @@ struct crypto_alg *crypto_larval_lookup(const char *name, u32 type, u32 mask)
        mask &= ~(CRYPTO_ALG_LARVAL | CRYPTO_ALG_DEAD);
        type &= mask;
 
-       alg = try_then_request_module(crypto_alg_lookup(name, type, mask),
-                                     name);
+       alg = crypto_alg_lookup(name, type, mask);
+       if (!alg) {
+               char tmp[CRYPTO_MAX_ALG_NAME];
+
+               request_module(name);
+
+               if (!((type ^ CRYPTO_ALG_NEED_FALLBACK) & mask) &&
+                   snprintf(tmp, sizeof(tmp), "%s-all", name) < sizeof(tmp))
+                       request_module(tmp);
+
+               alg = crypto_alg_lookup(name, type, mask);
+       }
+
        if (alg)
                return crypto_is_larval(alg) ? crypto_larval_wait(alg) : alg;
 
@@ -557,34 +568,34 @@ err:
        return ERR_PTR(err);
 }
 EXPORT_SYMBOL_GPL(crypto_alloc_tfm);
- 
+
 /*
- *     crypto_free_tfm - Free crypto transform
+ *     crypto_destroy_tfm - Free crypto transform
+ *     @mem: Start of tfm slab
  *     @tfm: Transform to free
  *
- *     crypto_free_tfm() frees up the transform and any associated resources,
+ *     This function frees up the transform and any associated resources,
  *     then drops the refcount on the associated algorithm.
  */
-void crypto_free_tfm(struct crypto_tfm *tfm)
+void crypto_destroy_tfm(void *mem, struct crypto_tfm *tfm)
 {
        struct crypto_alg *alg;
        int size;
 
-       if (unlikely(!tfm))
+       if (unlikely(!mem))
                return;
 
        alg = tfm->__crt_alg;
-       size = sizeof(*tfm) + alg->cra_ctxsize;
+       size = ksize(mem);
 
        if (!tfm->exit && alg->cra_exit)
                alg->cra_exit(tfm);
        crypto_exit_ops(tfm);
        crypto_mod_put(alg);
-       memset(tfm, 0, size);
-       kfree(tfm);
+       memset(mem, 0, size);
+       kfree(mem);
 }
-
-EXPORT_SYMBOL_GPL(crypto_free_tfm);
+EXPORT_SYMBOL_GPL(crypto_destroy_tfm);
 
 int crypto_has_alg(const char *name, u32 type, u32 mask)
 {