On 19/07/17 18:32, Alexandre Belloni wrote:
> Hi,
>
> On 19/07/2017 at 17:57:02 +0100, Colin King wrote:
>> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>>
>> There are two error return paths that do not kfree clk_data and
>> we end up with a memory leak. Fix these with a kfree error exit
>> path.
>>
>> Detected by CoverityScan, CID#1402959 ("Resource Leak")
>>
>
> I think that patch fixes the same issue (and more):
> http://patchwork.ozlabs.org/patch/787151/
Yep, that's true.
>
>> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>> ---
>> drivers/rtc/rtc-sun6i.c | 8 ++++++--
>> 1 file changed, 6 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/rtc/rtc-sun6i.c b/drivers/rtc/rtc-sun6i.c
>> index 39cbc1238b92..61502221ab6e 100644
>> --- a/drivers/rtc/rtc-sun6i.c
>> +++ b/drivers/rtc/rtc-sun6i.c
>> @@ -204,7 +204,7 @@ static void __init sun6i_rtc_clk_init(struct device_node *node)
>> rtc->base = of_io_request_and_map(node, 0, of_node_full_name(node));
>> if (IS_ERR(rtc->base)) {
>> pr_crit("Can't map RTC registers");
>> - return;
>> + goto err;
>> }
>>
>> /* Switch to the external, more precise, oscillator */
>> @@ -216,7 +216,7 @@ static void __init sun6i_rtc_clk_init(struct device_node *node)
>>
>> /* Deal with old DTs */
>> if (!of_get_property(node, "clocks", NULL))
>> - return;
>> + goto err;
>>
>> rtc->int_osc = clk_hw_register_fixed_rate_with_accuracy(NULL,
>> "rtc-int-osc",
>> @@ -246,6 +246,10 @@ static void __init sun6i_rtc_clk_init(struct device_node *node)
>> clk_data->num = 1;
>> clk_data->hws[0] = &rtc->hw;
>> of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
>> + return;
>> +
>> +err:
>> + kfree(clk_data);
>> }
>> CLK_OF_DECLARE_DRIVER(sun6i_rtc_clk, "allwinner,sun6i-a31-rtc",
>> sun6i_rtc_clk_init);
>> --
>> 2.11.0
>>
>
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