schema mount UPDATE do not create redundant ctxs

Author: Roytak

src/ly_common.h

@@ -817,9 +817,11 @@ LY_ERR ly_strcat(char **dest, const char *format, ...) _FORMAT_PRINTF(2, 3);
  * @brief Get schema (context) for a mount point.
  *
  * @param[in] ext Compiled extension instance where the context is also stored.
+ * @param[in] parent Data parent node instance of a schema node with @p ext instance. In special cases
+ * (when not working with data) it can be NULL!
  * @param[out] ext_ctx Schema to use for parsing the data.
  * @return LY_ERR value.
  */
-LY_ERR lyplg_ext_schema_mount_get_ctx(struct lysc_ext_instance *ext, const struct ly_ctx **ext_ctx);
+LY_ERR lyplg_ext_schema_mount_get_ctx(struct lysc_ext_instance *ext, const struct lyd_node *parent, const struct ly_ctx **ext_ctx);
 
 #endif /* LY_COMMON_H_ */

src/plugins_exts/schema_mount.c

@@ -774,8 +774,8 @@ schema_mount_get_ctx_inline(struct lysc_ext_instance *ext, const struct lyd_node
  * @param[out] ext_ctx Schema to use for parsing the data.
  * @return LY_ERR value.
  */
-static LY_ERR
-schema_mount_get_ctx(struct lysc_ext_instance *ext, const struct lyd_node *parent, const struct ly_ctx **ext_ctx)
+LY_ERR
+lyplg_ext_schema_mount_get_ctx(struct lysc_ext_instance *ext, const struct lyd_node *parent, const struct ly_ctx **ext_ctx)
 {
     LY_ERR ret = LY_SUCCESS, r;
     struct lyd_node *iter, *ext_data = NULL;
@@ -836,7 +836,7 @@ schema_mount_snode(struct lysc_ext_instance *ext, const struct lyd_node *parent,
     const struct ly_ctx *ext_ctx = NULL;
 
     /* get context based on ietf-yang-library data */
-    if ((r = schema_mount_get_ctx(ext, parent, &ext_ctx))) {
+    if ((r = lyplg_ext_schema_mount_get_ctx(ext, parent, &ext_ctx))) {
         return r;
     }
 

src/tree_schema.c

@@ -259,7 +259,7 @@ lys_getnext_(const struct lysc_node *last, const struct lysc_node *parent, const
                 LY_ARRAY_FOR(parent->exts, u) {
                     if (!strcmp(parent->exts[u].def->name, "mount-point") &&
                             !strcmp(parent->exts[u].def->module->name, "ietf-yang-schema-mount")) {
-                        lyplg_ext_schema_mount_create_context(&parent->exts[u], NULL, &sm_ctx);
+                        lyplg_ext_schema_mount_get_ctx(&parent->exts[u], NULL, &sm_ctx);
                         if (sm_ctx) {
                             /* some usable context created */
                             break;