From: Zhen Lei <thunder.leizhen@xxxxxxxxxx> [ Upstream commit 290fdc4b7ef14e33d0e30058042b0e9bfd02b89b ] Return a negative error code from the error handling case instead of 0, as done elsewhere in this function. Fixes: f52da98d900e ("genirq/timings: Add selftest for irqs circular buffer") Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> Signed-off-by: Zhen Lei <thunder.leizhen@xxxxxxxxxx> Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20210811093333.2376-1-thunder.leizhen@xxxxxxxxxx Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- kernel/irq/timings.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/kernel/irq/timings.c b/kernel/irq/timings.c index b5985da80acf..7ccc8edce46d 100644 --- a/kernel/irq/timings.c +++ b/kernel/irq/timings.c @@ -799,12 +799,14 @@ static int __init irq_timings_test_irqs(struct timings_intervals *ti) __irq_timings_store(irq, irqs, ti->intervals[i]); if (irqs->circ_timings[i & IRQ_TIMINGS_MASK] != index) { + ret = -EBADSLT; pr_err("Failed to store in the circular buffer\n"); goto out; } } if (irqs->count != ti->count) { + ret = -ERANGE; pr_err("Count differs\n"); goto out; } -- 2.30.2