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don't check the value of retval in netbsd32_mmap() if sys_mmap()

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This commit is contained in:
mrg 2020-01-07 07:26:21 +00:00
parent f76a68287e
commit 63bea4ffac
1 changed files with 9 additions and 5 deletions
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14
sys/compat/netbsd32/netbsd32_vm.c
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@ -1,4 +1,4 @@
/* $NetBSD: netbsd32_vm.c,v 1.1 2018/12/24 21:27:06 mrg Exp $ */
/* $NetBSD: netbsd32_vm.c,v 1.2 2020/01/07 07:26:21 mrg Exp $ */
/*
* Copyright (c) 1998, 2001, 2008, 2018 Matthew R. Green
@ -29,7 +29,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: netbsd32_vm.c,v 1.1 2018/12/24 21:27:06 mrg Exp $");
__KERNEL_RCSID(0, "$NetBSD: netbsd32_vm.c,v 1.2 2020/01/07 07:26:21 mrg Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -86,9 +86,13 @@ netbsd32_mmap(struct lwp *l, const struct netbsd32_mmap_args *uap, register_t *r
#endif
error = sys_mmap(l, &ua, retval);
if ((u_long)*retval > (u_long)UINT_MAX) {
printf("netbsd32_mmap: retval out of range: 0x%lx\n",
(u_long)*retval);
if (error == 0 && (u_long)*retval > (u_long)UINT_MAX) {
const char *name = curlwp->l_name;
if (name == NULL)
name = curproc->p_comm;
printf("netbsd32_mmap(%s:%u:%u): retval out of range: 0x%lx\n",
name, curproc->p_pid, curlwp->l_lid, (u_long)*retval);
/* Should try to recover and return an error here. */
}
return error;