[ Upstream commit 397182e0db56b8894a43631ce72de14d90a29834 ]
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 Signed-off-by: Sasha Levin sashal@kernel.org --- 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 c433f6d3dd64f..a840b7d074f7d 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;