[PATCH] uml: x86_64 thread fixes

[linux-2.6-omap-h63xx.git] / arch / um / sys-x86_64 / unmap.c

diff --git a/arch/um/sys-x86_64/unmap.c b/arch/um/sys-x86_64/unmap.c
index bc7094cce47e2b2ab4de352afe62c333c3ebe1e8..f4a4bffd8a18bc5fb4f6aadce49fb466453d11bd 100644 (file)
--- a/arch/um/sys-x86_64/unmap.c
+++ b/arch/um/sys-x86_64/unmap.c
@@ -15,7 +15,7 @@ int switcheroo(int fd, int prot, void *from, void *to, int size)
        if(munmap(to, size) < 0){
                return(-1);
        }
-       if(mmap(to, size, prot, MAP_SHARED | MAP_FIXED, fd, 0) != to){
+       if(mmap(to, size, prot, MAP_SHARED | MAP_FIXED, fd, 0) == (void*) -1){
                return(-1);
        }
        if(munmap(from, size) < 0){