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In dmio_read(), make sure to set DMIO_STATE_READ_WAIT in ds->ds_flags 

before going to sleep.
This commit is contained in:
scw 2003-05-30 11:37:47 +00:00
parent 9adea725c5
commit 58c736d46f
1 changed files with 3 additions and 2 deletions
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5
sys/dev/dmover/dmover_io.c
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@ -1,4 +1,4 @@
/* $NetBSD: dmover_io.c,v 1.8 2003/03/21 21:13:55 dsl Exp $ */
/* $NetBSD: dmover_io.c,v 1.9 2003/05/30 11:37:47 scw Exp $ */
/*
* Copyright (c) 2002 Wasabi Systems, Inc.
@ -55,7 +55,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: dmover_io.c,v 1.8 2003/03/21 21:13:55 dsl Exp $");
__KERNEL_RCSID(0, "$NetBSD: dmover_io.c,v 1.9 2003/05/30 11:37:47 scw Exp $");
#include <sys/param.h>
#include <sys/queue.h>
@ -315,6 +315,7 @@ dmio_read(struct file *fp, off_t *offp, struct uio *uio,
error = progress ? 0 : EWOULDBLOCK;
goto out;
}
ds->ds_flags |= DMIO_STATE_READ_WAIT;
error = ltsleep(&ds->ds_complete,
PRIBIO | PCATCH, "dmvrrd", 0,
&ds->ds_slock);