Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.git

Signed-off-by: Steve French <sfrench@us.ibm.com>

1 files changed, 13 insertions, 10 deletions

diff --git a/arch/um/kernel/skas/clone.c b/arch/um/kernel/skas/clone.c
index cb37ce9124a6..47b812b3bca8 100644
--- a/arch/um/kernel/skas/clone.c
+++ b/arch/um/kernel/skas/clone.c
@@ -18,11 +18,10 @@
  * on some systems.
  */
 
-#define STUB_DATA(field) (((struct stub_data *) UML_CONFIG_STUB_DATA)->field)
-
 void __attribute__ ((__section__ (".__syscall_stub")))
 stub_clone_handler(void)
 {
+        struct stub_data *data = (struct stub_data *) UML_CONFIG_STUB_DATA;
         long err;
 
         err = stub_syscall2(__NR_clone, CLONE_PARENT | CLONE_FILES | SIGCHLD,
@@ -35,17 +34,21 @@ stub_clone_handler(void)
         if(err)
                 goto out;
 
-        err = stub_syscall3(__NR_setitimer, ITIMER_VIRTUAL,
-                            (long) &STUB_DATA(timer), 0);
+        err = stub_syscall3(__NR_setitimer, ITIMER_VIRTUAL, 
+                            (long) &data->timer, 0);
         if(err)
                 goto out;
 
-        err = stub_syscall6(STUB_MMAP_NR, UML_CONFIG_STUB_DATA,
-                            UM_KERN_PAGE_SIZE, PROT_READ | PROT_WRITE,
-                            MAP_FIXED | MAP_SHARED, STUB_DATA(fd),
-                            STUB_DATA(offset));
+        remap_stack(data->fd, data->offset);
+        goto done;
+
  out:
-        /* save current result. Parent: pid; child: retcode of mmap */
-        STUB_DATA(err) = err;
+        /* save current result. 
+         * Parent: pid; 
+         * child: retcode of mmap already saved and it jumps around this 
+         * assignment
+         */
+        data->err = err;
+ done:
         trap_myself();
 }