[src/trunk]: src/sys/dev/pad Fix logic for timing.

[nat <nat%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/d2bddff7d0dd
branches:  trunk
changeset: 376012:d2bddff7d0dd
user:      nat <nat%NetBSD.org@localhost>
date:      Fri May 26 10:39:56 2023 +0000

description:
Fix logic for timing.

Addresses PR/57436.

XXX pullup-10.

diffstat:

 sys/dev/pad/pad.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (27 lines):

diff -r 0945ffa711ed -r d2bddff7d0dd sys/dev/pad/pad.c
--- a/sys/dev/pad/pad.c Fri May 26 06:36:39 2023 +0000
+++ b/sys/dev/pad/pad.c Fri May 26 10:39:56 2023 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: pad.c,v 1.82 2023/05/01 16:35:47 mlelstv Exp $ */
+/* $NetBSD: pad.c,v 1.83 2023/05/26 10:39:56 nat Exp $ */
 
 /*-
  * Copyright (c) 2007 Jared D. McNeill <jmcneill%invisible.ca@localhost>
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: pad.c,v 1.82 2023/05/01 16:35:47 mlelstv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pad.c,v 1.83 2023/05/26 10:39:56 nat Exp $");
 
 #include <sys/param.h>
 #include <sys/types.h>
@@ -324,7 +324,7 @@ pad_get_block(struct pad_softc *sc, pad_
        KASSERT(maxblksize > 0);
        KASSERT(mutex_owned(&sc->sc_intr_lock));
 
-       if (sc->sc_buflen == 0 && !dowait)
+       if (sc->sc_buflen == 0 && dowait)
                return EAGAIN;
 
        while (sc->sc_buflen == 0) {