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In _bus_dma_uiomove(): 

* Don't punt after the first iov in the UIO_SYSSPACE case.  Not that this ever
  happens in practice right now.
* If we get through the loop, error==0 by definition, so just return 0.
* Eliminate bogus initializer.
This commit is contained in:
mycroft 2003-10-28 22:49:51 +00:00
parent 8785679414
commit f6f24ead9c
1 changed files with 4 additions and 5 deletions
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9
sys/arch/x86/x86/bus_dma.c
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@ -1,4 +1,4 @@
/* $NetBSD: bus_dma.c,v 1.8 2003/10/25 18:39:40 christos Exp $ */
/* $NetBSD: bus_dma.c,v 1.9 2003/10/28 22:49:51 mycroft Exp $ */
/*-
* Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc.
@ -38,7 +38,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: bus_dma.c,v 1.8 2003/10/25 18:39:40 christos Exp $");
__KERNEL_RCSID(0, "$NetBSD: bus_dma.c,v 1.9 2003/10/28 22:49:51 mycroft Exp $");
/*
* The following is included because _bus_dma_uiomove is derived from
@ -812,7 +812,7 @@ _bus_dma_uiomove(buf, uio, n, direction)
int direction;
{
struct iovec *iov;
int error = 0;
int error;
struct proc *p;
char *cp;
size_t resid, cnt;
@ -856,12 +856,11 @@ _bus_dma_uiomove(buf, uio, n, direction)
error = kcopy(iov->iov_base, cp, cnt);
if (error)
return (error);
break;
}
cp += cnt;
resid -= cnt;
}
return (error);
return (0);
}
/*