From: Ben Gras <ben@minix3.org>
Date: Tue, 21 Jun 2005 16:18:23 +0000 (+0000)
Subject: Corrected buffer size calculation from MAX(bufsize,realsize)
X-Git-Tag: v3.1.0~714
X-Git-Url: http://zhaoyanbai.com/repos/Bv9ARM.ch03.html?a=commitdiff_plain;h=3bb4d191d712b268b3769425461df7708a6d975f;p=minix.git

Corrected buffer size calculation from MAX(bufsize,realsize)
to MIN(bufsize,realsize) while copying boot params.
---

diff --git a/kernel/start.c b/kernel/start.c
index 21ccbfccf..06ac5fdb4 100755
--- a/kernel/start.c
+++ b/kernel/start.c
@@ -49,7 +49,7 @@ U16_t parmoff, parmsize;	/* boot parameters offset and length */
 
   /* Copy the boot parameters to kernel memory. */
   kinfo.params_base = seg2phys(mds) + parmoff;
-  kinfo.params_size = MAX(parmsize,sizeof(params)-2);
+  kinfo.params_size = MIN(parmsize,sizeof(params)-2);
   phys_copy(kinfo.params_base, vir2phys(params), kinfo.params_size);
 
   /* Record miscellaneous information for user-space servers. */