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authorZhen Lei <thunder.leizhen@huawei.com>2021-08-11 17:33:32 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-09-15 10:02:08 +0200
commit21862736617125d0828587835999853c5a4e559c (patch)
tree8367b5db9c03ef4a07189936f3e4d6d5201f158b /kernel
parent15a728f31e16b5b946ba1598474462f01d8d487e (diff)
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: f52da98d900e ("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>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/irq/timings.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/irq/timings.c b/kernel/irq/timings.c
index 4d2a702d7aa9..c43e2ac2f8de 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;
}