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Message-Id: <20191211152643.23056-19-sashal@kernel.org>
Date:   Wed, 11 Dec 2019 10:25:43 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Chuhong Yuan <hslester96@...il.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH AUTOSEL 4.19 19/79] clocksource/drivers/asm9260: Add a check for of_clk_get

From: Chuhong Yuan <hslester96@...il.com>

[ Upstream commit 6e001f6a4cc73cd06fc7b8c633bc4906c33dd8ad ]

asm9260_timer_init misses a check for of_clk_get.
Add a check for it and print errors like other clocksource drivers.

Signed-off-by: Chuhong Yuan <hslester96@...il.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@...aro.org>
Link: https://lore.kernel.org/r/20191016124330.22211-1-hslester96@gmail.com
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/clocksource/asm9260_timer.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/clocksource/asm9260_timer.c b/drivers/clocksource/asm9260_timer.c
index 38cd2feb87c42..0ce760776406b 100644
--- a/drivers/clocksource/asm9260_timer.c
+++ b/drivers/clocksource/asm9260_timer.c
@@ -198,6 +198,10 @@ static int __init asm9260_timer_init(struct device_node *np)
 	}
 
 	clk = of_clk_get(np, 0);
+	if (IS_ERR(clk)) {
+		pr_err("Failed to get clk!\n");
+		return PTR_ERR(clk);
+	}
 
 	ret = clk_prepare_enable(clk);
 	if (ret) {
-- 
2.20.1

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