[PATCH 5.10 048/172] clocksource/drivers/oxnas-rps: Fix irq_of_parse_and_map() return value

From: Greg Kroah-Hartman
Date: Mon Jun 13 2022 - 08:35:24 EST


From: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>

[ Upstream commit 9c04a8ff03def4df3f81219ffbe1ec9b44ff5348 ]

The irq_of_parse_and_map() returns 0 on failure, not a negative ERRNO.

Fixes: 89355274e1f7 ("clocksource/drivers/oxnas-rps: Add Oxford Semiconductor RPS Dual Timer")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
Reviewed-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20220422104101.55754-1-krzysztof.kozlowski@xxxxxxxxxx
Signed-off-by: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/clocksource/timer-oxnas-rps.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clocksource/timer-oxnas-rps.c b/drivers/clocksource/timer-oxnas-rps.c
index 56c0cc32d0ac..d514b44e67dd 100644
--- a/drivers/clocksource/timer-oxnas-rps.c
+++ b/drivers/clocksource/timer-oxnas-rps.c
@@ -236,7 +236,7 @@ static int __init oxnas_rps_timer_init(struct device_node *np)
}

rps->irq = irq_of_parse_and_map(np, 0);
- if (rps->irq < 0) {
+ if (!rps->irq) {
ret = -EINVAL;
goto err_iomap;
}
--
2.35.1