From 8421046dbaaebe9dc24b277c15c686c03e58e5fe Mon Sep 17 00:00:00 2001
From: Marsman1996 <lqliuyuwei@outlook.com>
Date: Fri, 13 Sep 2024 20:02:30 +0800
Subject: [PATCH] Return when sigset size error

---
 kernel/src/syscall/epoll.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/src/syscall/epoll.rs b/kernel/src/syscall/epoll.rs
index 9b7bdff1f..13859db18 100644
--- a/kernel/src/syscall/epoll.rs
+++ b/kernel/src/syscall/epoll.rs
@@ -193,7 +193,7 @@ pub fn sys_epoll_pwait(
     );
 
     if sigset_size != 8 {
-        error!("sigset size is not equal to 8");
+        return_errno_with_message!(Errno::EINVAL, "sigset size is not equal to 8");
     }
 
     let old_sig_mask_value = set_signal_mask(sigmask, ctx)?;