From 9aceab50155b17741faded1fb22e2daa51a07fb1 Mon Sep 17 00:00:00 2001
From: Elliott Hughes <enh@google.com>
Date: Tue, 12 Mar 2013 14:57:30 -0700
Subject: Use the kernel's MAX_ERRNO in the syscall stubs.

Bug: http://code.google.com/p/android/issues/detail?id=53104
Change-Id: Iaabf7025b153e96dc5eca231a33a32d4cb7d8116
---
 libc/arch-arm/syscalls/fchownat.S | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'libc/arch-arm/syscalls/fchownat.S')

diff --git a/libc/arch-arm/syscalls/fchownat.S b/libc/arch-arm/syscalls/fchownat.S
index 1482832..f5061ec 100644
--- a/libc/arch-arm/syscalls/fchownat.S
+++ b/libc/arch-arm/syscalls/fchownat.S
@@ -1,4 +1,5 @@
 /* autogenerated by gensyscalls.py */
+#include <linux/err.h>
 #include <machine/asm.h>
 #include <sys/linux-syscalls.h>
 
@@ -10,7 +11,8 @@ ENTRY(fchownat)
     ldr     r7, =__NR_fchownat
     swi     #0
     ldmfd   sp!, {r4, r5, r6, r7}
-    movs    r0, r0
-    bxpl    lr
-    b       __set_syscall_errno
+    cmn     r0, #(MAX_ERRNO + 1)
+    bxls    lr
+    neg     r0, r0
+    b       __set_errno
 END(fchownat)
-- 
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