diff --git a/arch/arc/kernel/ptrace.c b/arch/arc/kernel/ptrace.c
index c6a81c5..6e467e3 100644
--- a/arch/arc/kernel/ptrace.c
+++ b/arch/arc/kernel/ptrace.c
@@ -40,6 +40,13 @@
 			offsetof(struct user_regs_struct, LOC), \
 			offsetof(struct user_regs_struct, LOC) + 4);
 
+#define REG_O_ZERO(LOC)		\
+	if (!ret)		\
+		ret = user_regset_copyout_zero(&pos, &count, &kbuf, &ubuf, \
+			offsetof(struct user_regs_struct, LOC), \
+			offsetof(struct user_regs_struct, LOC) + 4);
+
+	REG_O_ZERO(pad);
 	REG_O_CHUNK(scratch, callee, ptregs);
 	REG_O_CHUNK(callee, efa, cregs);
 	REG_O_CHUNK(efa, stop_pc, &target->thread.fault_address);
@@ -88,6 +95,7 @@
 			offsetof(struct user_regs_struct, LOC), \
 			offsetof(struct user_regs_struct, LOC) + 4);
 
+	REG_IGNORE_ONE(pad);
 	/* TBD: disallow updates to STATUS32, orig_r8 etc*/
 	REG_IN_CHUNK(scratch, callee, ptregs);	/* pt_regs[bta..orig_r8] */
 	REG_IN_CHUNK(callee, efa, cregs);	/* callee_regs[r25..r13] */