From 50a212ec906f7524620675f0c57357691c26c81f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 16 Oct 2024 01:20:19 +0000
Subject: [PATCH] 修改GPIO导出默认初始值

---
 kernel/arch/nios2/include/asm/ptrace.h |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/kernel/arch/nios2/include/asm/ptrace.h b/kernel/arch/nios2/include/asm/ptrace.h
index 6424621..9da34c3 100644
--- a/kernel/arch/nios2/include/asm/ptrace.h
+++ b/kernel/arch/nios2/include/asm/ptrace.h
@@ -74,6 +74,8 @@
 	((struct pt_regs *)((unsigned long)current_thread_info() + THREAD_SIZE)\
 		- 1)
 
+#define force_successful_syscall_return() (current_pt_regs()->orig_r2 = -1)
+
 int do_syscall_trace_enter(void);
 void do_syscall_trace_exit(void);
 #endif /* __ASSEMBLY__ */

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