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Don't error calls to copy socket addresses to userspace when the application

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has provided a non-null buffer pointer and a zero length.
This commit is contained in:
dsl 2007-09-01 17:04:58 +00:00
parent 37ac06be56
commit 7a90b5e6bc
1 changed files with 3 additions and 3 deletions
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6
sys/kern/uipc_syscalls.c
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@ -1,4 +1,4 @@
/* $NetBSD: uipc_syscalls.c,v 1.117 2007/08/27 20:09:44 dsl Exp $ */
/* $NetBSD: uipc_syscalls.c,v 1.118 2007/09/01 17:04:58 dsl Exp $ */
/*
* Copyright (c) 1982, 1986, 1989, 1990, 1993
@ -32,7 +32,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: uipc_syscalls.c,v 1.117 2007/08/27 20:09:44 dsl Exp $");
__KERNEL_RCSID(0, "$NetBSD: uipc_syscalls.c,v 1.118 2007/09/01 17:04:58 dsl Exp $");
#include "opt_pipe.h"
@ -1092,7 +1092,7 @@ copyout_sockname(struct sockaddr *asa, unsigned int *alen, int flags,
return error;
} else
len = *alen;
if (len <= 0)
if (len < 0)
return EINVAL;
if (addr == NULL) {