diff -uNr linux-2.2.3/arch/i386/mm/ioremap.c linux-2.2.3-cmgr/arch/i386/mm/ioremap.c
--- linux-2.2.3/arch/i386/mm/ioremap.c Fri Nov 27 23:03:14 1998
+++ linux-2.2.3-cmgr/arch/i386/mm/ioremap.c Sun Mar 21 11:42:42 1999
@@ -117,7 +117,7 @@
/*
* Don't allow mappings that wrap..
*/
- if (!size || size > phys_addr + size)
+ if (!size || size-1 > ~phys_addr)
return NULL;
/*
This will work for any value of phys_addr and any non-zero value of size (which
the first part of the condition guards against).
David Howells
-
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