devtmpfs: get rid of bogus mkdir in create_path()

We do _NOT_ want to mkdir the path itself - we are preparing to
mknod it, after all.  Normally it'll fail with -ENOENT and
just do nothing, but if somebody has created the parent in
the meanwhile, we'll get buggered...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

drivers/base/devtmpfs.c

@@ -164,19 +164,15 @@ static int dev_mkdir(const char *name, mode_t mode)
 
 static int create_path(const char *nodepath)
 {
-	int err;
-
-	err = dev_mkdir(nodepath, 0755);
-	if (err == -ENOENT) {
 	char *path;
 	char *s;
+	int err;
 
 	/* parent directories do not exist, create them */
 	path = kstrdup(nodepath, GFP_KERNEL);
-		if (!path) {
-			err = -ENOMEM;
-			goto out;
-		}
+	if (!path)
+		return -ENOMEM;
+
 	s = path;
 	for (;;) {
 		s = strchr(s, '/');
@@ -190,8 +186,6 @@ static int create_path(const char *nodepath)
 		s++;
 	}
 	kfree(path);
-	}
-out:
 	return err;
 }