Commit 4f6277e8 authored by Madhavan T. Venkataraman's avatar Madhavan T. Venkataraman Committed by Catalin Marinas
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arm64: stacktrace: remove NULL task check from unwind_frame() 



Currently, there is a check for a NULL task in unwind_frame(). It is not
needed since all current callers pass a non-NULL task.

There should be no functional change as a result of this patch.

Signed-off-by: default avatarMadhavan T. Venkataraman <madvenka@linux.microsoft.com>
Reviewed-by: default avatarMark Brown <broonie@kernel.org>
Signed-off-by: default avatarMark Rutland <mark.rutland@arm.com>
Reviewed-by: Kalesh Singh <kaleshsingh@google.com> for the series.
Link: https://lore.kernel.org/r/20220413145910.3060139-2-mark.rutland@arm.com


Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
parent b2d229d4

arch/arm64/kernel/stacktrace.c

+0 −3
Original line number Diff line number Diff line
@@ -70,9 +70,6 @@ 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;