Minor fixes.

ykcs11/openssl_utils.c

@@ -434,7 +434,7 @@ CK_RV do_pkcs_1_t1(CK_BYTE_PTR in, CK_ULONG in_len, CK_BYTE_PTR out, CK_ULONG_PT
 
   // TODO: rand must be seeded first (should be automatic)
   if (*out_len < key_len)
-    CKR_BUFFER_TOO_SMALL;
+    return CKR_BUFFER_TOO_SMALL;
 
   if (RSA_padding_add_PKCS1_type_1(buffer, key_len, in, in_len) == 0)
     return CKR_FUNCTION_FAILED;
@@ -468,7 +468,7 @@ CK_RV do_pkcs_pss(RSA *key, CK_BYTE_PTR in, CK_ULONG in_len, int nid,
 
   // TODO: rand must be seeded first (should be automatic)
   if (*out_len < (CK_ULONG)RSA_size(key))
-    CKR_BUFFER_TOO_SMALL;
+    return CKR_BUFFER_TOO_SMALL;
 
   DBG(("Apply PSS padding to %lu bytes and get %d\n", in_len, RSA_size(key)));
 

ykcs11/vendors.c

@@ -2,7 +2,6 @@
 #include <string.h>
 
 vendor_id_t get_vendor_id(char *vendor_name) {
-  vendor_id_t vid;
 
   if (strstr(vendor_name, "Yubico") != NULL)
     return YUBICO;

ykcs11/ykcs11.c

@@ -66,7 +66,7 @@ CK_DEFINE_FUNCTION(CK_RV, C_Initialize)(
   }
 
   if (parse_readers(piv_state, readers, len, slots, &n_slots, &n_slots_with_token) != CK_TRUE)
-    CKR_FUNCTION_FAILED;
+    return CKR_FUNCTION_FAILED;
 
   DBG(("Found %lu slot(s) of which %lu tokenless/unsupported", n_slots, n_slots - n_slots_with_token));