From ccb0271ad3aa1952c050d653062c923d971d6778 Mon Sep 17 00:00:00 2001
From: phk <phk@FreeBSD.org>
Date: Thu, 26 Sep 2002 21:21:13 +0000
Subject: Under DIAGNOSTIC, complain if ENOIOCTL leaks out through VOP_IOCTL().

---
 sys/kern/vfs_vnops.c | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'sys/kern')

diff --git a/sys/kern/vfs_vnops.c b/sys/kern/vfs_vnops.c
index 8288b85..1fb416b 100644
--- a/sys/kern/vfs_vnops.c
+++ b/sys/kern/vfs_vnops.c
@@ -773,6 +773,12 @@ vn_ioctl(fp, com, data, active_cred, td)
 			return (0);
 		}
 		error = VOP_IOCTL(vp, com, data, fp->f_flag, active_cred, td);
+		if (error == ENOIOCTL) {
+#ifdef DIAGNOSTIC
+			Debugger("ENOIOCTL leaked through");
+#endif
+			error = ENOTTY;
+		}
 		if (error == 0 && com == TIOCSCTTY) {
 
 			/* Do nothing if reassigning same control tty */
-- 
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