From 08f87f769b595151be1afeff53e144f543faa614 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 06 Dec 2023 09:51:13 +0000
Subject: [PATCH] add dts config
---
kernel/arch/openrisc/include/asm/futex.h | 7 +++----
1 files changed, 3 insertions(+), 4 deletions(-)
diff --git a/kernel/arch/openrisc/include/asm/futex.h b/kernel/arch/openrisc/include/asm/futex.h
index 618da4a..865e9cd 100644
--- a/kernel/arch/openrisc/include/asm/futex.h
+++ b/kernel/arch/openrisc/include/asm/futex.h
@@ -35,7 +35,8 @@
{
int oldval = 0, ret;
- pagefault_disable();
+ if (!access_ok(uaddr, sizeof(u32)))
+ return -EFAULT;
switch (op) {
case FUTEX_OP_SET:
@@ -57,8 +58,6 @@
ret = -ENOSYS;
}
- pagefault_enable();
-
if (!ret)
*oval = oldval;
@@ -72,7 +71,7 @@
int ret = 0;
u32 prev;
- if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))
+ if (!access_ok(uaddr, sizeof(u32)))
return -EFAULT;
__asm__ __volatile__ ( \
--
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