[src/riastradh-drm2]: src/sys/external/bsd/drm2/include/linux Avoid INT_MAX i...

[riastradh <riastradh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/d95d07fac9ea
branches:  riastradh-drm2
changeset: 788134:d95d07fac9ea
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Wed Jul 24 02:23:48 2013 +0000

description:
Avoid INT_MAX in PTR_ERR; check for truncation instead.

diffstat:

 sys/external/bsd/drm2/include/linux/err.h |  4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diffs (18 lines):

diff -r 87f02c673240 -r d95d07fac9ea sys/external/bsd/drm2/include/linux/err.h
--- a/sys/external/bsd/drm2/include/linux/err.h Wed Jul 24 02:23:34 2013 +0000
+++ b/sys/external/bsd/drm2/include/linux/err.h Wed Jul 24 02:23:48 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: err.h,v 1.1.2.1 2013/07/24 02:07:31 riastradh Exp $    */
+/*     $NetBSD: err.h,v 1.1.2.2 2013/07/24 02:23:48 riastradh Exp $    */
 
 /*-
  * Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -56,7 +56,7 @@
 static inline int
 PTR_ERR(const void *ptr)
 {
-       KASSERT((intptr_t)INT_MAX <= (intptr_t)ptr);
+       KASSERT(ptr == (void *)(intptr_t)(int)(intptr_t)ptr); /* XXX Hurk!  */
        return (int)(intptr_t)ptr;
 }