On 20/08/20 11:22 am, Dinghao Liu wrote:
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>
> When devm_clk_get() returns -EPROBE_DEFER, spi_priv
> should be freed just like when wilc_cfg80211_init()
> fails.
>
> Fixes: 854d66df74aed ("staging: wilc1000: look for rtc_clk clock in spi mode")
> Signed-off-by: Dinghao Liu <[email protected]>
Acked-by: Ajay Singh <[email protected]>
> ---
>
> Changelog:
>
> v2: - Remove 'staging' prefix in subject.
> ---
> drivers/net/wireless/microchip/wilc1000/spi.c | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/wireless/microchip/wilc1000/spi.c b/drivers/net/wireless/microchip/wilc1000/spi.c
> index 3f19e3f38a39..a18dac0aa6b6 100644
> --- a/drivers/net/wireless/microchip/wilc1000/spi.c
> +++ b/drivers/net/wireless/microchip/wilc1000/spi.c
> @@ -112,9 +112,10 @@ static int wilc_bus_probe(struct spi_device *spi)
> wilc->dev_irq_num = spi->irq;
>
> wilc->rtc_clk = devm_clk_get(&spi->dev, "rtc_clk");
> - if (PTR_ERR_OR_ZERO(wilc->rtc_clk) == -EPROBE_DEFER)
> + if (PTR_ERR_OR_ZERO(wilc->rtc_clk) == -EPROBE_DEFER) {
> + kfree(spi_priv);
> return -EPROBE_DEFER;
> - else if (!IS_ERR(wilc->rtc_clk))
> + } else if (!IS_ERR(wilc->rtc_clk))
> clk_prepare_enable(wilc->rtc_clk);
>
> return 0;
> --
> 2.17.1
>