[tip: timers/core] clocksource/drivers/asm9260: Add a check for of_clk_get

[tip-bot2 for Chuhong Yuan]

The following commit has been merged into the timers/core branch of tip:

Commit-ID:     6e001f6a4cc73cd06fc7b8c633bc4906c33dd8ad
Gitweb:        https://git.kernel.org/tip/6e001f6a4cc73cd06fc7b8c633bc4906c33dd8ad
Author:        Chuhong Yuan <hslester96@xxxxxxxxx>
AuthorDate:    Wed, 16 Oct 2019 20:43:30 +08:00
Committer:     Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
CommitterDate: Mon, 04 Nov 2019 10:40:10 +01:00

clocksource/drivers/asm9260: Add a check for of_clk_get

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@xxxxxxxxx>
Signed-off-by: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20191016124330.22211-1-hslester96@xxxxxxxxx
---
 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 9f09a59..5b39d37 100644
--- a/drivers/clocksource/asm9260_timer.c
+++ b/drivers/clocksource/asm9260_timer.c
@@ -194,6 +194,10 @@ 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) {