linux-kernel - [PATCH 9/9] riscv: process: Fix no prototype for arch_dup_task

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Date:   Fri, 5 Mar 2021 19:33:32 +0800
From:   Nanyong Sun <sunnanyong@...wei.com>
To:     <paul.walmsley@...ive.com>, <palmer@...belt.com>,
        <aou@...s.berkeley.edu>
CC:     <linux-riscv@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        <palmerdabbelt@...gle.com>, <atish.patra@....com>,
        <wangkefeng.wang@...wei.com>, <sunnanyong@...wei.com>
Subject: [PATCH 9/9] riscv: process: Fix no prototype for arch_dup_task_struct

Fix the following W=1 compilation warning:
arch/riscv/kernel/process.c:114:5: warning: no previous prototype for ‘arch_dup_task_struct’ [-Wmissing-prototypes]
  114 | int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src)
      |     ^~~~~~~~~~~~~~~~~~~~

Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Nanyong Sun <sunnanyong@...wei.com>
---
 arch/riscv/include/asm/processor.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/riscv/include/asm/processor.h b/arch/riscv/include/asm/processor.h
index 3a240037bde2..021ed64ee608 100644
--- a/arch/riscv/include/asm/processor.h
+++ b/arch/riscv/include/asm/processor.h
@@ -71,6 +71,7 @@ int riscv_of_processor_hartid(struct device_node *node);
 int riscv_of_parent_hartid(struct device_node *node);
 
 extern void riscv_fill_hwcap(void);
+extern int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src);
 
 #endif /* __ASSEMBLY__ */
 
-- 
2.25.1