Message ID | 20181206102626.2557-1-david.abdurachmanov@gmail.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | riscv: remove unused variable in ftrace | expand |
On Thu, Dec 6, 2018 at 2:26 AM David Abdurachmanov <david.abdurachmanov@gmail.com> wrote: > > 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> Please add a: Fixes: e949b6db51dc1 ("riscv/function_graph: Simplify with function_graph_enter()") Reviewed-by: Olof Johansson <olof@lixom.net>
On Thu, 6 Dec 2018 11:20:31 -0800 Olof Johansson <olof@lixom.net> wrote: > On Thu, Dec 6, 2018 at 2:26 AM David Abdurachmanov > <david.abdurachmanov@gmail.com> wrote: > > > > 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: ^~~ Bah. I could have sworn I checked for all the error messages when I did my cross-compiling of the architectures. I fixed this issue in other places, not sure how I missed riscv. Thanks for fixing it. Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org> -- Steve > > [..] > > > > Signed-off-by: David Abdurachmanov <david.abdurachmanov@gmail.com> > > Please add a: > Fixes: e949b6db51dc1 ("riscv/function_graph: Simplify with > function_graph_enter()") > Reviewed-by: Olof Johansson <olof@lixom.net>
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;
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(-)