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authorJeffy Chen <jeffy.chen@rock-chips.com>2020-03-17 14:33:08 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-03-18 11:41:54 +0100
commit4dfff3d55440a9f8726a0f7d62a9c33594b58b10 (patch)
treeeed11a0193821720ee31e5a5a9f4d2c6927b6036 /drivers/base
parent4a33691c4cea9eb0a7c66e87248be4637e14b180 (diff)
arch_topology: Fix putting invalid cpu clk
Add a sanity check before putting the cpu clk. Fixes: b8fe128dad8f (“arch_topology: Adjust initial CPU capacities with current freq") Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com> Link: https://lore.kernel.org/r/20200317063308.23209-1-jeffy.chen@rock-chips.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/base')
-rw-r--r--drivers/base/arch_topology.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/base/arch_topology.c b/drivers/base/arch_topology.c
index 4cb1616d3871..e5d691cf824c 100644
--- a/drivers/base/arch_topology.c
+++ b/drivers/base/arch_topology.c
@@ -164,11 +164,11 @@ 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",