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Message-ID: <tencent_E465261B2BB2C1EBAF5C19912B9F19B7E107@qq.com>
Date: Mon, 2 Oct 2023 14:29:59 +0800
From: Woody Zhang <woodylab@...mail.com>
To: Mark Brown <broonie@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
Jernej Skrabec <jernej.skrabec@...il.com>,
Samuel Holland <samuel@...lland.org>
Cc: linux-spi@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-sunxi@...ts.linux.dev, linux-kernel@...r.kernel.org,
Woody Zhang <woodylab@...mail.com>
Subject: [PATCH 2/2] spi: sun4i: Fix memory leak on device removal
Call spi_master_put to free the spi_master structure on device removal
and driver detachment.
Signed-off-by: Woody Zhang <woodylab@...mail.com>
---
drivers/spi/spi-sun4i.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/spi/spi-sun4i.c b/drivers/spi/spi-sun4i.c
index b8947265d329..ba5690039f72 100644
--- a/drivers/spi/spi-sun4i.c
+++ b/drivers/spi/spi-sun4i.c
@@ -518,7 +518,10 @@ static int sun4i_spi_probe(struct platform_device *pdev)
static void sun4i_spi_remove(struct platform_device *pdev)
{
+ struct spi_master *master = dev_get_drvdata(&pdev->dev);
+
pm_runtime_force_suspend(&pdev->dev);
+ spi_master_put(master);
}
static const struct of_device_id sun4i_spi_match[] = {
--
2.39.2
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