diff options
| author | David Abdurachmanov <david.abdurachmanov@gmail.com> | 2018-12-06 11:26:26 +0100 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@sifive.com> | 2018-12-21 08:11:26 -0800 |
| commit | 397182e0db56b8894a43631ce72de14d90a29834 (patch) | |
| tree | ebf8244af5b33f5e8d9a648a5087b828dc149921 /arch/riscv/kernel/ftrace.c | |
| parent | cd378dbb3dafbee16ef956d4101ede567f6ea2f7 (diff) | |
| download | lwn-397182e0db56b8894a43631ce72de14d90a29834.tar.gz lwn-397182e0db56b8894a43631ce72de14d90a29834.zip | |
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@gmail.com>
Fixes: e949b6db51dc1 ("riscv/function_graph: Simplify with function_graph_enter()")
Reviewed-by: Olof Johansson <olof@lixom.net>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
Diffstat (limited to 'arch/riscv/kernel/ftrace.c')
| -rw-r--r-- | arch/riscv/kernel/ftrace.c | 1 |
1 files changed, 0 insertions, 1 deletions
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(¤t->tracing_graph_pause))) return; |