linux-kernel - [PATCH 1/2] spi: sun6i: Fix memory leak on device removal

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Date:   Mon,  2 Oct 2023 14:29:58 +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 1/2] spi: sun6i: 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-sun6i.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/spi/spi-sun6i.c b/drivers/spi/spi-sun6i.c
index fddc63309773..33cec49d5538 100644
--- a/drivers/spi/spi-sun6i.c
+++ b/drivers/spi/spi-sun6i.c
@@ -774,6 +774,7 @@ static void sun6i_spi_remove(struct platform_device *pdev)
 		dma_release_channel(master->dma_tx);
 	if (master->dma_rx)
 		dma_release_channel(master->dma_rx);
+	spi_master_put(master);
 }
 
 static const struct sun6i_spi_cfg sun6i_a31_spi_cfg = {
-- 
2.39.2