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* [PATCH] arch_topology: Fix putting invalid cpu clk
@ 2020-03-17  0:18 Jeffy Chen
  2020-03-17  6:24 ` Sudeep Holla
  2020-03-17  6:35 ` Greg KH
  0 siblings, 2 replies; 4+ messages in thread
From: Jeffy Chen @ 2020-03-17  0:18 UTC (permalink / raw)
  To: linux-kernel
  Cc: anders.roxell, arnd, sboyd, gregkh, naresh.kamboju,
	daniel.lezcano, Basil.Eljuse, mturquette, Jeffy Chen,
	Sudeep Holla, Rafael J. Wysocki

Add a sanity check before putting the cpu clk.

Fixes: 2a6d1c6bcd1f (“arch_topology: Adjust initial CPU capacities with current freq")
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
---

 drivers/base/arch_topology.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/base/arch_topology.c b/drivers/base/arch_topology.c
index 8a9fe2bc8635..4d0a0038b476 100644
--- a/drivers/base/arch_topology.c
+++ b/drivers/base/arch_topology.c
@@ -176,11 +176,11 @@ bool __init topology_parse_cpu_capacity(struct device_node *cpu_node, int cpu)
 		 * frequency (by keeping the initial freq_factor value).
 		 */
 		cpu_clk = of_clk_get(cpu_node, 0);
-		if (!PTR_ERR_OR_ZERO(cpu_clk))
+		if (!PTR_ERR_OR_ZERO(cpu_clk)) {
 			per_cpu(freq_factor, cpu) =
 				clk_get_rate(cpu_clk) / 1000;
-
-		clk_put(cpu_clk);
+			clk_put(cpu_clk);
+		}
 	} else {
 		if (raw_capacity) {
 			pr_err("cpu_capacity: missing %pOF raw capacity\n",
-- 
2.11.0




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2020-03-17  0:18 [PATCH] arch_topology: Fix putting invalid cpu clk Jeffy Chen
2020-03-17  6:24 ` Sudeep Holla
2020-03-17  6:34   ` JeffyChen
2020-03-17  6:35 ` Greg KH

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