From 3dd923f39a03dede001afe0edcc08613d5f403e5 Mon Sep 17 00:00:00 2001
From: Dmitry Safonov <dima@arista.com>
Date: Mon, 8 Jun 2020 21:31:42 -0700
Subject: [PATCH] um/sysrq: remove needless variable sp
`sp' is a needless excercise here.
Signed-off-by: Dmitry Safonov <dima@arista.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Richard Weinberger <richard@nod.at>
Link: http://lkml.kernel.org/r/20200418201944.482088-36-dima@arista.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
arch/um/kernel/sysrq.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/arch/um/kernel/sysrq.c b/arch/um/kernel/sysrq.c
index c71b5ef7ea8c3..c831a1c2eb94a 100644
--- a/arch/um/kernel/sysrq.c
+++ b/arch/um/kernel/sysrq.c
@@ -27,7 +27,6 @@ static const struct stacktrace_ops stackops = {
void show_stack(struct task_struct *task, unsigned long *stack)
{
- unsigned long *sp = stack;
struct pt_regs *segv_regs = current->thread.segv_regs;
int i;
@@ -38,10 +37,9 @@ void show_stack(struct task_struct *task, unsigned long *stack)
}
if (!stack)
- sp = get_stack_pointer(task, segv_regs);
+ stack = get_stack_pointer(task, segv_regs);
pr_info("Stack:\n");
- stack = sp;
for (i = 0; i < 3 * STACKSLOTS_PER_LINE; i++) {
if (kstack_end(stack))
break;
--
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