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    Subject[PATCH 4.19 024/190] riscv: remove unused variable in ftrace
    Date
    [ 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(&current->tracing_graph_pause)))
    return;
    --
    2.20.1


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