[ 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 <[email protected]> Fixes: e949b6db51dc1 ("riscv/function_graph: Simplify with function_graph_enter()") Reviewed-by: Olof Johansson <[email protected]> Acked-by: Steven Rostedt (VMware) <[email protected]> Signed-off-by: Palmer Dabbelt <[email protected]> Signed-off-by: Sasha Levin <[email protected]> --- 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; -- 2.20.1
