1 files changed, 9 insertions, 7 deletions

diff --git a/arch/alpha/kernel/entry.S b/arch/alpha/kernel/entry.S
index e38671c922bc..7af15bf7e5ab 100644
--- a/arch/alpha/kernel/entry.S
+++ b/arch/alpha/kernel/entry.S
@@ -879,17 +879,19 @@ sys_getxpid:
 
         /* See linux/kernel/timer.c sys_getppid for discussion
            about this loop.  */
-        ldq     $3, TASK_REAL_PARENT($2)
-1:      ldl     $1, TASK_TGID($3)
+        ldq     $3, TASK_GROUP_LEADER($2)
+        ldq     $4, TASK_REAL_PARENT($3)
+        ldl     $0, TASK_TGID($2)
+1:      ldl     $1, TASK_TGID($4)
 #ifdef CONFIG_SMP
-        mov     $3, $4
+        mov     $4, $5
         mb
-        ldq     $3, TASK_REAL_PARENT($2)
-        cmpeq   $3, $4, $4
-        beq     $4, 1b
+        ldq     $3, TASK_GROUP_LEADER($2)
+        ldq     $4, TASK_REAL_PARENT($3)
+        cmpeq   $4, $5, $5
+        beq     $5, 1b
 #endif
         stq     $1, 80($sp)
-        ldl     $0, TASK_TGID($2)
         ret
 .end sys_getxpid