linux-kernel - [PATCH] riscv: remove unused variable in ftrace

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Message-Id: <20181206102626.2557-1-david.abdurachmanov@gmail.com>
Date:   Thu,  6 Dec 2018 11:26:26 +0100
From:   David Abdurachmanov <david.abdurachmanov@...il.com>
To:     palmer@...ive.com, aou@...s.berkeley.edu,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     David Abdurachmanov <david.abdurachmanov@...il.com>
Subject: [PATCH] riscv: remove unused variable in ftrace

Noticed while building kernel-4.20.0-0.rc5.git2.1.fc30 for
Fedora 30/RISCV.

[..]
BUILDSTDERR: arch/riscv/kernel/ftrace.c: In function 'prepare_ftrace_return':
BUILDSTDERR: arch/riscv/kernel/ftrace.c:135:6: warning: unused variable 'err' [-Wunused-variable]
BUILDSTDERR:   int err;
BUILDSTDERR:       ^~~
[..]

Signed-off-by: David Abdurachmanov <david.abdurachmanov@...il.com>
---
 arch/riscv/kernel/ftrace.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/riscv/kernel/ftrace.c b/arch/riscv/kernel/ftrace.c
index c433f6d3dd64..a840b7d074f7 100644
--- a/arch/riscv/kernel/ftrace.c
+++ b/arch/riscv/kernel/ftrace.c
@@ -132,7 +132,6 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr,
 {
 	unsigned long return_hooker = (unsigned long)&return_to_handler;
 	unsigned long old;
-	int err;
 
 	if (unlikely(atomic_read(&current->tracing_graph_pause)))
 		return;
-- 
2.19.2