[PATCH] clocksource: asm9260: Add a check for of_clk_get

[Chuhong Yuan]

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 <hsleste...@gmail.com>
---
 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 9f09a59161e7..5b39d3701fa3 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) {
-- 
2.20.1