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Merge git://oss.sgi.com:8090/xfs/xfs-2.6
[powerpc.git]
/
arch
/
um
/
kernel
/
skas
/
clone.c
diff --git
a/arch/um/kernel/skas/clone.c
b/arch/um/kernel/skas/clone.c
index
cb37ce9
..
47b812b
100644
(file)
--- a/
arch/um/kernel/skas/clone.c
+++ b/
arch/um/kernel/skas/clone.c
@@
-18,11
+18,10
@@
* on some systems.
*/
* on some systems.
*/
-#define STUB_DATA(field) (((struct stub_data *) UML_CONFIG_STUB_DATA)->field)
-
void __attribute__ ((__section__ (".__syscall_stub")))
stub_clone_handler(void)
{
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,
long err;
err = stub_syscall2(__NR_clone, CLONE_PARENT | CLONE_FILES | SIGCHLD,
@@
-35,17
+34,21
@@
stub_clone_handler(void)
if(err)
goto out;
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;
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:
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();
}
trap_myself();
}