From 36f8042e8c4fc60533db299078cd25e13e1d0626 Mon Sep 17 00:00:00 2001 From: Juha-Pekka Heikkila Date: Tue, 25 Feb 2014 15:24:34 +0200 Subject: [PATCH] mesa: add null checks in symbol_table.c Signed-off-by: Juha-Pekka Heikkila Reviewed-by: Anuj Phogat --- src/mesa/program/symbol_table.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/src/mesa/program/symbol_table.c b/src/mesa/program/symbol_table.c index 9462978..5b22745 100644 --- a/src/mesa/program/symbol_table.c +++ b/src/mesa/program/symbol_table.c @@ -172,6 +172,11 @@ _mesa_symbol_table_push_scope(struct _mesa_symbol_table *table) { struct scope_level *const scope = calloc(1, sizeof(*scope)); + if (scope == NULL) { + _mesa_error_no_memory(__func__); + return; + } + scope->next = table->current_scope; table->current_scope = scope; table->depth++; @@ -254,7 +259,17 @@ _mesa_symbol_table_add_symbol(struct _mesa_symbol_table *table, if (hdr == NULL) { hdr = calloc(1, sizeof(*hdr)); + if (hdr == NULL) { + _mesa_error_no_memory(__func__); + return -1; + } + hdr->name = strdup(name); + if (hdr->name == NULL) { + free(hdr); + _mesa_error_no_memory(__func__); + return -1; + } hash_table_insert(table->ht, hdr, hdr->name); hdr->next = table->hdr; @@ -276,6 +291,11 @@ _mesa_symbol_table_add_symbol(struct _mesa_symbol_table *table, return -1; sym = calloc(1, sizeof(*sym)); + if (sym == NULL) { + _mesa_error_no_memory(__func__); + return -1; + } + sym->next_with_same_name = hdr->symbols; sym->next_with_same_scope = table->current_scope->symbols; sym->hdr = hdr; @@ -311,6 +331,11 @@ _mesa_symbol_table_add_global_symbol(struct _mesa_symbol_table *table, if (hdr == NULL) { hdr = calloc(1, sizeof(*hdr)); + if (hdr == NULL) { + _mesa_error_no_memory(__func__); + return -1; + } + hdr->name = strdup(name); hash_table_insert(table->ht, hdr, hdr->name); @@ -340,6 +365,11 @@ _mesa_symbol_table_add_global_symbol(struct _mesa_symbol_table *table, } sym = calloc(1, sizeof(*sym)); + if (sym == NULL) { + _mesa_error_no_memory(__func__); + return -1; + } + sym->next_with_same_scope = top_scope->symbols; sym->hdr = hdr; sym->name_space = name_space; -- 2.7.4