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crypto: user - made crypto_user_stat optional
[uclinux-h8/linux.git] / crypto / crypto_user_base.c
index e41f6cc..7021efb 100644 (file)
@@ -84,87 +84,38 @@ static int crypto_report_cipher(struct sk_buff *skb, struct crypto_alg *alg)
 {
        struct crypto_report_cipher rcipher;
 
-       strlcpy(rcipher.type, "cipher", sizeof(rcipher.type));
+       memset(&rcipher, 0, sizeof(rcipher));
+
+       strscpy(rcipher.type, "cipher", sizeof(rcipher.type));
 
        rcipher.blocksize = alg->cra_blocksize;
        rcipher.min_keysize = alg->cra_cipher.cia_min_keysize;
        rcipher.max_keysize = alg->cra_cipher.cia_max_keysize;
 
-       if (nla_put(skb, CRYPTOCFGA_REPORT_CIPHER,
-                   sizeof(struct crypto_report_cipher), &rcipher))
-               goto nla_put_failure;
-       return 0;
-
-nla_put_failure:
-       return -EMSGSIZE;
+       return nla_put(skb, CRYPTOCFGA_REPORT_CIPHER,
+                      sizeof(rcipher), &rcipher);
 }
 
 static int crypto_report_comp(struct sk_buff *skb, struct crypto_alg *alg)
 {
        struct crypto_report_comp rcomp;
 
-       strlcpy(rcomp.type, "compression", sizeof(rcomp.type));
-       if (nla_put(skb, CRYPTOCFGA_REPORT_COMPRESS,
-                   sizeof(struct crypto_report_comp), &rcomp))
-               goto nla_put_failure;
-       return 0;
-
-nla_put_failure:
-       return -EMSGSIZE;
-}
-
-static int crypto_report_acomp(struct sk_buff *skb, struct crypto_alg *alg)
-{
-       struct crypto_report_acomp racomp;
-
-       strlcpy(racomp.type, "acomp", sizeof(racomp.type));
-
-       if (nla_put(skb, CRYPTOCFGA_REPORT_ACOMP,
-                   sizeof(struct crypto_report_acomp), &racomp))
-               goto nla_put_failure;
-       return 0;
-
-nla_put_failure:
-       return -EMSGSIZE;
-}
-
-static int crypto_report_akcipher(struct sk_buff *skb, struct crypto_alg *alg)
-{
-       struct crypto_report_akcipher rakcipher;
-
-       strlcpy(rakcipher.type, "akcipher", sizeof(rakcipher.type));
-
-       if (nla_put(skb, CRYPTOCFGA_REPORT_AKCIPHER,
-                   sizeof(struct crypto_report_akcipher), &rakcipher))
-               goto nla_put_failure;
-       return 0;
-
-nla_put_failure:
-       return -EMSGSIZE;
-}
-
-static int crypto_report_kpp(struct sk_buff *skb, struct crypto_alg *alg)
-{
-       struct crypto_report_kpp rkpp;
-
-       strlcpy(rkpp.type, "kpp", sizeof(rkpp.type));
+       memset(&rcomp, 0, sizeof(rcomp));
 
-       if (nla_put(skb, CRYPTOCFGA_REPORT_KPP,
-                   sizeof(struct crypto_report_kpp), &rkpp))
-               goto nla_put_failure;
-       return 0;
+       strscpy(rcomp.type, "compression", sizeof(rcomp.type));
 
-nla_put_failure:
-       return -EMSGSIZE;
+       return nla_put(skb, CRYPTOCFGA_REPORT_COMPRESS, sizeof(rcomp), &rcomp);
 }
 
 static int crypto_report_one(struct crypto_alg *alg,
                             struct crypto_user_alg *ualg, struct sk_buff *skb)
 {
-       strlcpy(ualg->cru_name, alg->cra_name, sizeof(ualg->cru_name));
-       strlcpy(ualg->cru_driver_name, alg->cra_driver_name,
+       memset(ualg, 0, sizeof(*ualg));
+
+       strscpy(ualg->cru_name, alg->cra_name, sizeof(ualg->cru_name));
+       strscpy(ualg->cru_driver_name, alg->cra_driver_name,
                sizeof(ualg->cru_driver_name));
-       strlcpy(ualg->cru_module_name, module_name(alg->cra_module),
+       strscpy(ualg->cru_module_name, module_name(alg->cra_module),
                sizeof(ualg->cru_module_name));
 
        ualg->cru_type = 0;
@@ -177,9 +128,9 @@ static int crypto_report_one(struct crypto_alg *alg,
        if (alg->cra_flags & CRYPTO_ALG_LARVAL) {
                struct crypto_report_larval rl;
 
-               strlcpy(rl.type, "larval", sizeof(rl.type));
-               if (nla_put(skb, CRYPTOCFGA_REPORT_LARVAL,
-                           sizeof(struct crypto_report_larval), &rl))
+               memset(&rl, 0, sizeof(rl));
+               strscpy(rl.type, "larval", sizeof(rl.type));
+               if (nla_put(skb, CRYPTOCFGA_REPORT_LARVAL, sizeof(rl), &rl))
                        goto nla_put_failure;
                goto out;
        }
@@ -202,20 +153,6 @@ static int crypto_report_one(struct crypto_alg *alg,
                        goto nla_put_failure;
 
                break;
-       case CRYPTO_ALG_TYPE_ACOMPRESS:
-               if (crypto_report_acomp(skb, alg))
-                       goto nla_put_failure;
-
-               break;
-       case CRYPTO_ALG_TYPE_AKCIPHER:
-               if (crypto_report_akcipher(skb, alg))
-                       goto nla_put_failure;
-
-               break;
-       case CRYPTO_ALG_TYPE_KPP:
-               if (crypto_report_kpp(skb, alg))
-                       goto nla_put_failure;
-               break;
        }
 
 out: