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/
> 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
>
--
Alexandre Belloni, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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