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arch_topology: Fix putting invalid cpu clk 

Add a sanity check before putting the cpu clk.

Fixes: b8fe128dad (“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>
This commit is contained in:
Jeffy Chen 2020-03-17 14:33:08 +08:00 committed by Greg Kroah-Hartman
parent 4a33691c4c
commit 4dfff3d554
1 changed files with 3 additions and 3 deletions
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6
drivers/base/arch_topology.c
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@ -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",