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authorDavid Abdurachmanov <david.abdurachmanov@gmail.com>2018-12-06 11:26:26 +0100
committerPalmer Dabbelt <palmer@sifive.com>2018-12-21 08:11:26 -0800
commit397182e0db56b8894a43631ce72de14d90a29834 (patch)
treeebf8244af5b33f5e8d9a648a5087b828dc149921 /arch/riscv
parentcd378dbb3dafbee16ef956d4101ede567f6ea2f7 (diff)
downloadlinux-397182e0db56b8894a43631ce72de14d90a29834.tar.bz2
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')
-rw-r--r--arch/riscv/kernel/ftrace.c1
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(&current->tracing_graph_pause)))
return;