From: balrog <balrog@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Thu, 24 Apr 2008 21:11:41 +0000 (+0000)
Subject: Cope with arch-specific page protection flags in mmap (Richard Purdie).
X-Git-Tag: xen-3.3.0-rc1~194^2^2~202
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=171cd1cdfff32a99855ec80ca8cab43384fe0600;p=qemu-xen-3.4-testing.git

Cope with arch-specific page protection flags in mmap (Richard Purdie).


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4250 c046a42c-6fe2-441c-8c8c-71466251a162
---

diff --git a/linux-user/mmap.c b/linux-user/mmap.c
index d459c61b..fa01c7bc 100644
--- a/linux-user/mmap.c
+++ b/linux-user/mmap.c
@@ -49,8 +49,7 @@ int target_mprotect(abi_ulong start, abi_ulong len, int prot)
     end = start + len;
     if (end < start)
         return -EINVAL;
-    if (prot & ~(PROT_READ | PROT_WRITE | PROT_EXEC))
-        return -EINVAL;
+    prot &= PROT_READ | PROT_WRITE | PROT_EXEC;
     if (len == 0)
         return 0;