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genirq/timings: Fix error return code in irq_timings_test_irqs() 

[ Upstream commit 290fdc4b7ef14e33d0e30058042b0e9bfd02b89b ]

Return a negative error code from the error handling case instead of 0, as
done elsewhere in this function.

Fixes: f52da98d90 ("genirq/timings: Add selftest for irqs circular buffer")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20210811093333.2376-1-thunder.leizhen@huawei.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Zhen Lei 2021-08-11 17:33:32 +08:00 committed by Greg Kroah-Hartman
parent 2d00b22c8b
commit 57c8e2ea47
1 changed files with 2 additions and 0 deletions
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2
kernel/irq/timings.c
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@ -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;
}