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>
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@ -27,7 +27,6 @@ static const struct stacktrace_ops stackops = {
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void show_stack(struct task_struct *task, unsigned long *stack)
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{
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unsigned long *sp = stack;
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struct pt_regs *segv_regs = current->thread.segv_regs;
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int i;
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@ -38,10 +37,9 @@ void show_stack(struct task_struct *task, unsigned long *stack)
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}
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if (!stack)
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sp = get_stack_pointer(task, segv_regs);
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stack = get_stack_pointer(task, segv_regs);
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pr_info("Stack:\n");
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stack = sp;
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for (i = 0; i < 3 * STACKSLOTS_PER_LINE; i++) {
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if (kstack_end(stack))
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break;
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