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>
This commit is contained in:
Dmitry Safonov 2020-06-08 21:31:42 -07:00 committed by Linus Torvalds
parent 13c6371ae5
commit 3dd923f39a

View file

@ -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;