[PATCH] staging: wilc1000: Fix memleak in wilc_bus_probe

[Dinghao Liu]

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 <dinghao....@zju.edu.cn>
---
 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