server config REFACTOR avoid warnings

Author: michalvasko

src/server_config_util_ssh.c

@@ -502,7 +502,7 @@ _nc_server_config_add_ssh_user_password(const struct ly_ctx *ctx, const char *tr
 
     NC_CHECK_ARG_RET(NULL, ctx, tree_path, password, config, 1);
 
-    cdata = calloc(1, sizeof(struct crypt_data));
+    cdata = calloc(1, sizeof *cdata);
     NC_CHECK_ERRMEM_GOTO(!cdata, ret = 1, cleanup);
 
     hashed_pw = crypt_r(password, salt, cdata);

src/session_server_ssh.c

@@ -646,11 +646,8 @@ nc_server_ssh_compare_password(const char *stored_pw, const char *received_pw)
         return strcmp(stored_pw + 3, received_pw);
     }
 
-    cdata = (struct crypt_data *) calloc(sizeof(struct crypt_data), 1);
-    if (cdata == NULL) {
-        ERR(NULL, "Allocation of crypt_data struct failed.");
-        return 1;
-    }
+    cdata = calloc(1, sizeof *cdata);
+    NC_CHECK_ERRMEM_RET(!cdata, 1);
 
     received_pw_hash = crypt_r(received_pw, stored_pw, cdata);
     if (!received_pw_hash) {