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[ Upstream commit290fdc4b7e] 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>