From 6e489481f5dbe7c6e440fe0febfa8c6f18d23255 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 8 Aug 2022 16:06:46 +0100
Subject: [PATCH] nios2: don't leave NULLs in sys_call_table[]

commit 45ec746c65097c25e77d24eae8fee0def5b6cc5d upstream.

fill the gaps in there with sys_ni_syscall, as everyone does...

Fixes: 82ed08dd1b0e ("nios2: Exception handling")
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 arch/nios2/kernel/entry.S         | 1 -
 arch/nios2/kernel/syscall_table.c | 1 +
 2 files changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/nios2/kernel/entry.S b/arch/nios2/kernel/entry.S
index fbd348bf103f..8f41ef5b0399 100644
--- a/arch/nios2/kernel/entry.S
+++ b/arch/nios2/kernel/entry.S
@@ -193,7 +193,6 @@ local_restart:
 	movhi	r11, %hiadj(sys_call_table)
 	add	r1, r1, r11
 	ldw	r1, %lo(sys_call_table)(r1)
-	beq	r1, r0, ret_invsyscall
 
 	/* Check if we are being traced */
 	GET_THREAD_INFO r11
diff --git a/arch/nios2/kernel/syscall_table.c b/arch/nios2/kernel/syscall_table.c
index 6176d63023c1..c2875a6dd5a4 100644
--- a/arch/nios2/kernel/syscall_table.c
+++ b/arch/nios2/kernel/syscall_table.c
@@ -13,5 +13,6 @@
 #define __SYSCALL(nr, call) [nr] = (call),
 
 void *sys_call_table[__NR_syscalls] = {
+	[0 ... __NR_syscalls-1] = sys_ni_syscall,
 #include <asm/unistd.h>
 };