linux-kernel - [PATCH v1] drivers:spi:Insert the missing pci_dev

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Message-Id: <20240820111236.550379-1-11162571@vivo.com>
Date: Tue, 20 Aug 2024 07:12:35 -0400
From: Yang Ruibin <11162571@...o.com>
To: Daniel Mack <daniel@...que.org>,
	Haojian Zhuang <haojian.zhuang@...il.com>,
	Robert Jarzmik <robert.jarzmik@...e.fr>,
	Mark Brown <broonie@...nel.org>,
	linux-arm-kernel@...ts.infradead.org,
	linux-spi@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: opensource.kernel@...o.com,
	Yang Ruibin <11162571@...o.com>
Subject: [PATCH v1] drivers:spi:Insert the missing pci_dev_put()before return

Increase the reference count by calling pci_get_slot(), and remember to 
decrement the reference count by calling pci_dev_put().

Signed-off-by: Yang Ruibin <11162571@...o.com>
---
 drivers/spi/spi-pxa2xx-pci.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/spi/spi-pxa2xx-pci.c b/drivers/spi/spi-pxa2xx-pci.c
index 72bccb3b5..d49d8fef4 100644
--- a/drivers/spi/spi-pxa2xx-pci.c
+++ b/drivers/spi/spi-pxa2xx-pci.c
@@ -145,7 +145,7 @@ static int lpss_spi_setup(struct pci_dev *dev, struct pxa2xx_spi_controller *c)
 	c->num_chipselect = 1;
 
 	ret = pxa2xx_spi_pci_clk_register(dev, ssp, 50000000);
-	if (ret)
+	if (ret) {
+		pci_dev_put(dma_dev);
 		return ret;
+	}
@@ -223,7 +223,7 @@ static int mrfld_spi_setup(struct pci_dev *dev, struct pxa2xx_spi_controller *c)
 	}
 
 	ret = pxa2xx_spi_pci_clk_register(dev, ssp, 25000000);
-	if (ret)
+	if (ret) {
+		pci_dev_put(dma_dev);
 		return ret;
+	}
-- 
2.34.1