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Abort the USB transfer on an endpoint when the last midi device 

referencing it is closed.  Fixes kern/23987.
This commit is contained in:
gson 2004-01-06 05:42:47 +00:00
parent 57ec8c75e1
commit e11055d090
1 changed files with 5 additions and 3 deletions
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8
sys/dev/usb/umidi.c
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@ -1,4 +1,4 @@
/* $NetBSD: umidi.c,v 1.18 2003/12/05 06:01:59 gson Exp $ */
/* $NetBSD: umidi.c,v 1.19 2004/01/06 05:42:47 gson Exp $ */
/*
* Copyright (c) 2001 The NetBSD Foundation, Inc.
* All rights reserved.
@ -36,7 +36,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: umidi.c,v 1.18 2003/12/05 06:01:59 gson Exp $");
__KERNEL_RCSID(0, "$NetBSD: umidi.c,v 1.19 2004/01/06 05:42:47 gson Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -935,7 +935,9 @@ close_in_jack(struct umidi_jack *jack)
{
if (jack->opened) {
jack->opened = 0;
jack->endpoint->num_open--;
if (--jack->endpoint->num_open == 0) {
usbd_abort_pipe(jack->endpoint->pipe);
}
}
}