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Subject[PATCH] riscv: remove unused variable in ftrace
Date
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@gmail.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
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