From 10ebd8556b7990499c896a550e3d416b444211e6 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 02:23:07 +0000
Subject: [PATCH] add led
---
kernel/arch/ia64/include/asm/futex.h | 7 +++----
1 files changed, 3 insertions(+), 4 deletions(-)
diff --git a/kernel/arch/ia64/include/asm/futex.h b/kernel/arch/ia64/include/asm/futex.h
index db2dd85..1db26b4 100644
--- a/kernel/arch/ia64/include/asm/futex.h
+++ b/kernel/arch/ia64/include/asm/futex.h
@@ -50,7 +50,8 @@
{
int oldval = 0, ret;
- pagefault_disable();
+ if (!access_ok(uaddr, sizeof(u32)))
+ return -EFAULT;
switch (op) {
case FUTEX_OP_SET:
@@ -74,8 +75,6 @@
ret = -ENOSYS;
}
- pagefault_enable();
-
if (!ret)
*oval = oldval;
@@ -86,7 +85,7 @@
futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
u32 oldval, u32 newval)
{
- if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))
+ if (!access_ok(uaddr, sizeof(u32)))
return -EFAULT;
{
--
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