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SubjectRe: [PATCH -next] tty: serial: bcm63xx: fix missing clk_put() in bcm63xx_uart
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On 4/26/2020 11:19 PM, Jiri Slaby wrote:
> On 21. 04. 20, 14:31, Zou Wei wrote:
>> This patch fixes below error reported by coccicheck
>>
>> drivers/tty/serial/bcm63xx_uart.c:848:2-8: ERROR: missing clk_put;
>> clk_get on line 842 and execution via conditional on line 846
>>
>> Fixes: ab4382d27412 ("tty: move drivers/serial/ to drivers/tty/serial/")
>> Reported-by: Hulk Robot <hulkci@huawei.com>
>> Signed-off-by: Zou Wei <zou_wei@huawei.com>
>> ---
>> drivers/tty/serial/bcm63xx_uart.c | 4 +++-
>> 1 file changed, 3 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/tty/serial/bcm63xx_uart.c b/drivers/tty/serial/bcm63xx_uart.c
>> index 5674da2..ed0aa5c 100644
>> --- a/drivers/tty/serial/bcm63xx_uart.c
>> +++ b/drivers/tty/serial/bcm63xx_uart.c
>> @@ -843,8 +843,10 @@ static int bcm_uart_probe(struct platform_device *pdev)
>> if (IS_ERR(clk) && pdev->dev.of_node)
>> clk = of_clk_get(pdev->dev.of_node, 0);
>>
>> - if (IS_ERR(clk))
>> + if (IS_ERR(clk)) {
>> + clk_put(clk);
>
> Why would you want to put an erroneous clk?

Doh, somehow I completely missed, you are right this does not look legit.
--
Florian

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