kbuild: fixdep: drop meaningless hash table initialization

masahir0y · Michal Marek · commit d179e22762fd · 2015-08-24T16:36:08.000+02:00
The clear_config() is called just once at the beginning of this
program, but the global variable hashtab[] is already zero-filled
at the start-up.

Signed-off-by: Masahiro Yamada &lt;yamada.masahiro@socionext.com&gt;
Signed-off-by: Michal Marek &lt;mmarek@suse.com&gt;
diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c
@@ -191,23 +191,6 @@ static void define_config(const char *name, int len, unsigned int hash)
 	hashtab[hash % HASHSZ] = aux;
 }
 
-/*
- * Clear the set of configuration strings.
- */
-static void clear_config(void)
-{
-	struct item *aux, *next;
-	unsigned int i;
-
-	for (i = 0; i < HASHSZ; i++) {
-		for (aux = hashtab[i]; aux; aux = next) {
-			next = aux->next;
-			free(aux);
-		}
-		hashtab[i] = NULL;
-	}
-}
-
 /*
  * Record the use of a CONFIG_* word.
  */
@@ -325,8 +308,6 @@ static void parse_dep_file(void *map, size_t len)
 	int saw_any_target = 0;
 	int is_first_dep = 0;
 
-	clear_config();
-
 	while (m < end) {
 		/* Skip any "white space" */
 		while (m < end && (*m == ' ' || *m == '\\' || *m == '\n'))
