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fix handling of the case that readsize == 0.

This commit is contained in:
yamt 2003-05-04 11:40:22 +00:00
parent 2fb7363e5d
commit 777190167d
1 changed files with 3 additions and 3 deletions
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6
sys/nfs/nfs_serv.c
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@ -1,4 +1,4 @@
/* $NetBSD: nfs_serv.c,v 1.72 2003/05/03 18:36:26 yamt Exp $ */
/* $NetBSD: nfs_serv.c,v 1.73 2003/05/04 11:40:22 yamt Exp $ */
/*
* Copyright (c) 1989, 1993
@ -59,7 +59,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: nfs_serv.c,v 1.72 2003/05/03 18:36:26 yamt Exp $");
__KERNEL_RCSID(0, "$NetBSD: nfs_serv.c,v 1.73 2003/05/04 11:40:22 yamt Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -656,7 +656,7 @@ nfsrv_read(nfsd, slp, procp, mrq)
tl += (NFSX_V2FATTR / sizeof (u_int32_t));
}
len = left = cnt;
if (cnt >= 0) {
if (cnt > 0) {
if (nfsd_use_loan) {
struct vm_page **pgpp;
voff_t pgoff = trunc_page(off);