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Subject[PATCH] ARM: mmp: fix missing clk_disable_unprepare() on error in mmp_dt_init_timer
Date
Fix the missing clk_disable_unprepare() before return from
mmp_dt_init_timer() in the error handling case.

Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
---
arch/arm/mach-mmp/time.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/arch/arm/mach-mmp/time.c b/arch/arm/mach-mmp/time.c
index 41b2e8abc..212823800 100644
--- a/arch/arm/mach-mmp/time.c
+++ b/arch/arm/mach-mmp/time.c
@@ -209,12 +209,15 @@ static int __init mmp_dt_init_timer(struct device_node *np)
}

irq = irq_of_parse_and_map(np, 0);
- if (!irq)
+ if (!irq) {
+ clk_disable_unprepare(clk);
return -EINVAL;
-
+ }
mmp_timer_base = of_iomap(np, 0);
- if (!mmp_timer_base)
+ if (!mmp_timer_base) {
+ clk_disable_unprepare(clk);
return -ENOMEM;
+ }

mmp_timer_init(irq, rate);
return 0;
--
2.23.0
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