kbuild: fixdep: optimize code slightly

If the target string matches "CONFIG_", move the pointer p forward. This saves several 7-chars adjustments. Signed-off-by: Masahiro Yamada <[email protected]> Signed-off-by: Michal Marek <[email protected]>
ambv · Aug 24, 2015 · d721109 · d721109
1 parent 5b733fa
commit d721109
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c
@@ -251,7 +251,8 @@ static void parse_config_file(const char *map, size_t len)
 			continue;
 		if (memcmp(p, "CONFIG_", 7))
 			continue;
-		for (q = p + 7; q < map + len; q++) {
+		p += 7;
+		for (q = p; q < map + len; q++) {
 			if (!(isalnum(*q) || *q == '_'))
 				goto found;
 		}
@@ -260,9 +261,9 @@ static void parse_config_file(const char *map, size_t len)
 	found:
 		if (!memcmp(q - 7, "_MODULE", 7))
 			q -= 7;
-		if( (q-p-7) < 0 )
+		if (q - p < 0)
 			continue;
-		use_config(p+7, q-p-7);
+		use_config(p, q - p);
 	}
 }