mesa: add null checks in symbol_table.c
Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com> Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
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@ -172,6 +172,11 @@ _mesa_symbol_table_push_scope(struct _mesa_symbol_table *table)
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{
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struct scope_level *const scope = calloc(1, sizeof(*scope));
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if (scope == NULL) {
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_mesa_error_no_memory(__func__);
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return;
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}
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scope->next = table->current_scope;
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table->current_scope = scope;
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table->depth++;
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@ -254,7 +259,17 @@ _mesa_symbol_table_add_symbol(struct _mesa_symbol_table *table,
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if (hdr == NULL) {
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hdr = calloc(1, sizeof(*hdr));
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if (hdr == NULL) {
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_mesa_error_no_memory(__func__);
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return -1;
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}
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hdr->name = strdup(name);
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if (hdr->name == NULL) {
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free(hdr);
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_mesa_error_no_memory(__func__);
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return -1;
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}
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hash_table_insert(table->ht, hdr, hdr->name);
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hdr->next = table->hdr;
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@ -276,6 +291,11 @@ _mesa_symbol_table_add_symbol(struct _mesa_symbol_table *table,
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return -1;
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sym = calloc(1, sizeof(*sym));
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if (sym == NULL) {
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_mesa_error_no_memory(__func__);
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return -1;
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}
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sym->next_with_same_name = hdr->symbols;
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sym->next_with_same_scope = table->current_scope->symbols;
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sym->hdr = hdr;
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@ -311,6 +331,11 @@ _mesa_symbol_table_add_global_symbol(struct _mesa_symbol_table *table,
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if (hdr == NULL) {
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hdr = calloc(1, sizeof(*hdr));
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if (hdr == NULL) {
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_mesa_error_no_memory(__func__);
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return -1;
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}
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hdr->name = strdup(name);
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hash_table_insert(table->ht, hdr, hdr->name);
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@ -340,6 +365,11 @@ _mesa_symbol_table_add_global_symbol(struct _mesa_symbol_table *table,
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}
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sym = calloc(1, sizeof(*sym));
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if (sym == NULL) {
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_mesa_error_no_memory(__func__);
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return -1;
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}
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sym->next_with_same_scope = top_scope->symbols;
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sym->hdr = hdr;
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sym->name_space = name_space;
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