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Date: Tue, 27 Oct 2020 14:47:40 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Dinghao Liu <dinghao.liu@....edu.cn>, Ajay Singh <ajay.kathat@...rochip.com>, Kalle Valo <kvalo@...eaurora.org>, Sasha Levin <sashal@...nel.org> Subject: [PATCH 5.9 210/757] wilc1000: Fix memleak in wilc_sdio_probe From: Dinghao Liu <dinghao.liu@....edu.cn> [ Upstream commit 8d95ab34b21ee0f870a9185b6457e8f6eb54914c ] When devm_clk_get() returns -EPROBE_DEFER, sdio_priv should be freed just like when wilc_cfg80211_init() fails. Fixes: 8692b047e86cf ("staging: wilc1000: look for rtc_clk clock") Signed-off-by: Dinghao Liu <dinghao.liu@....edu.cn> Acked-by: Ajay Singh <ajay.kathat@...rochip.com> Signed-off-by: Kalle Valo <kvalo@...eaurora.org> Link: https://lore.kernel.org/r/20200820054819.23365-1-dinghao.liu@zju.edu.cn Signed-off-by: Sasha Levin <sashal@...nel.org> --- drivers/net/wireless/microchip/wilc1000/sdio.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/microchip/wilc1000/sdio.c b/drivers/net/wireless/microchip/wilc1000/sdio.c index 3ece7b0b03929..351ff909ab1c7 100644 --- a/drivers/net/wireless/microchip/wilc1000/sdio.c +++ b/drivers/net/wireless/microchip/wilc1000/sdio.c @@ -149,9 +149,10 @@ static int wilc_sdio_probe(struct sdio_func *func, wilc->dev = &func->dev; wilc->rtc_clk = devm_clk_get(&func->card->dev, "rtc"); - if (PTR_ERR_OR_ZERO(wilc->rtc_clk) == -EPROBE_DEFER) + if (PTR_ERR_OR_ZERO(wilc->rtc_clk) == -EPROBE_DEFER) { + kfree(sdio_priv); return -EPROBE_DEFER; - else if (!IS_ERR(wilc->rtc_clk)) + } else if (!IS_ERR(wilc->rtc_clk)) clk_prepare_enable(wilc->rtc_clk); dev_info(&func->dev, "Driver Initializing success\n"); -- 2.25.1
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