From 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 22 Oct 2024 10:36:11 +0000
Subject: [PATCH] 修改4g拨号为QMI,需要在系统里后台执行quectel-CM
---
kernel/arch/mips/oprofile/backtrace.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/kernel/arch/mips/oprofile/backtrace.c b/kernel/arch/mips/oprofile/backtrace.c
index 806fb79..07d98ba 100644
--- a/kernel/arch/mips/oprofile/backtrace.c
+++ b/kernel/arch/mips/oprofile/backtrace.c
@@ -19,7 +19,7 @@
static inline int get_mem(unsigned long addr, unsigned long *result)
{
unsigned long *address = (unsigned long *) addr;
- if (!access_ok(VERIFY_READ, address, sizeof(unsigned long)))
+ if (!access_ok(address, sizeof(unsigned long)))
return -1;
if (__copy_from_user_inatomic(result, address, sizeof(unsigned long)))
return -3;
--
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