Index: include/asterisk/utils.h
===================================================================
--- include/asterisk/utils.h    (revision 21679)
+++ include/asterisk/utils.h    (working copy)
@@ -266,7 +266,7 @@
        _ast_malloc((len), __FILE__, __LINE__, __PRETTY_FUNCTION__)

 AST_INLINE_API(
-void *_ast_malloc(size_t len, const char *file, int lineno, const char *func),
+void * __attribute__((malloc)) _ast_malloc(size_t len, const char *file, int lineno, const char *func),
 {
        void *p;

@@ -291,7 +291,7 @@
        _ast_calloc((num), (len), __FILE__, __LINE__, __PRETTY_FUNCTION__)

 AST_INLINE_API(
-void *_ast_calloc(size_t num, size_t len, const char *file, int lineno, const char *func),
+void * __attribute__((malloc)) _ast_calloc(size_t num, size_t len, const char *file, int lineno, const char *func),
 {
        void *p;

@@ -316,7 +316,7 @@
        _ast_realloc((p), (len), __FILE__, __LINE__, __PRETTY_FUNCTION__)

 AST_INLINE_API(
-void *_ast_realloc(void *p, size_t len, const char *file, int lineno, const char *func),
+void * __attribute__((malloc)) _ast_realloc(void *p, size_t len, const char *file, int lineno, const char *func),
 {
        void *newp;

@@ -345,7 +345,7 @@
        _ast_strdup((str), __FILE__, __LINE__, __PRETTY_FUNCTION__)

 AST_INLINE_API(
-char *_ast_strdup(const char *str, const char *file, int lineno, const char *func),
+char * __attribute__((malloc)) _ast_strdup(const char *str, const char *file, int lineno, const char *func),
 {
        char *newstr = NULL;

@@ -376,7 +376,7 @@
        _ast_strndup((str), (len), __FILE__, __LINE__, __PRETTY_FUNCTION__)

 AST_INLINE_API(
-char *_ast_strndup(const char *str, size_t len, const char *file, int lineno, const char *func),
+char * __attribute__((malloc)) _ast_strndup(const char *str, size_t len, const char *file, int lineno, const char *func),
 {
        char *newstr = NULL;