1 files changed, 1 insertions, 2 deletions

diff --git a/arch/x86/ia32/ia32_aout.c b/arch/x86/ia32/ia32_aout.c
index e4c12079171b..58cccb6483b0 100644
--- a/arch/x86/ia32/ia32_aout.c
+++ b/arch/x86/ia32/ia32_aout.c
@@ -172,8 +172,7 @@ static int aout_core_dump(long signr, struct pt_regs *regs, struct file *file,
         has_dumped = 1;
         current->flags |= PF_DUMPCORE;
         strncpy(dump.u_comm, current->comm, sizeof(current->comm));
-        dump.u_ar0 = (u32)(((unsigned long)(&dump.regs)) -
-                           ((unsigned long)(&dump)));
+        dump.u_ar0 = offsetof(struct user32, regs);
         dump.signal = signr;
         dump_thread32(regs, &dump);