From: "Madhavan T. Venkataraman" <madvenka@xxxxxxxxxxxxxxxxxxx> Currently, there is a check for a NULL task in unwind_frame(). It is not needed since all current consumers pass a non-NULL task. Signed-off-by: Madhavan T. Venkataraman <madvenka@xxxxxxxxxxxxxxxxxxx> Reviewed-by: Mark Brown <broonie@xxxxxxxxxx> --- arch/arm64/kernel/stacktrace.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/arch/arm64/kernel/stacktrace.c b/arch/arm64/kernel/stacktrace.c index 0fb58fed54cb..5f5bb35b7b41 100644 --- a/arch/arm64/kernel/stacktrace.c +++ b/arch/arm64/kernel/stacktrace.c @@ -69,9 +69,6 @@ static int notrace unwind_frame(struct task_struct *tsk, unsigned long fp = frame->fp; struct stack_info info; - if (!tsk) - tsk = current; - /* Final frame; nothing to unwind */ if (fp == (unsigned long)task_pt_regs(tsk)->stackframe) return -ENOENT; -- 2.25.1
