1 files changed, 1 insertions, 1 deletions

diff --git a/arch/m68k/kernel/process.c b/arch/m68k/kernel/process.c
index 3ee918695215..f85b928ffac4 100644
--- a/arch/m68k/kernel/process.c
+++ b/arch/m68k/kernel/process.c
@@ -335,7 +335,7 @@ void dump_thread(struct pt_regs * regs, struct user * dump)
         if (dump->start_stack < TASK_SIZE)
                 dump->u_ssize = ((unsigned long) (TASK_SIZE - dump->start_stack)) >> PAGE_SHIFT;
 
-        dump->u_ar0 = (struct user_regs_struct *)((int)&dump->regs - (int)dump);
+        dump->u_ar0 = offsetof(struct user, regs);
         sw = ((struct switch_stack *)regs) - 1;
         dump->regs.d1 = regs->d1;
         dump->regs.d2 = regs->d2;