linux-kernel - [PATCH] spi: add missing pci_dev

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Message-Id: <1644890386-65119-1-git-send-email-wangqing@vivo.com>
Date:   Mon, 14 Feb 2022 17:59:46 -0800
From:   Qing Wang <wangqing@...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:     Wang Qing <wangqing@...o.com>
Subject: [PATCH] spi: add missing pci_dev_put() before return

From: Wang Qing <wangqing@...o.com>

pci_get_slot() increases its reference count, the caller must
decrement the reference count by calling pci_dev_put()

Signed-off-by: Wang Qing <wangqing@...o.com>
---
 drivers/spi/spi-pxa2xx-pci.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/spi/spi-pxa2xx-pci.c b/drivers/spi/spi-pxa2xx-pci.c
index 2e134eb..5fb2f44
--- a/drivers/spi/spi-pxa2xx-pci.c
+++ b/drivers/spi/spi-pxa2xx-pci.c
@@ -102,6 +102,8 @@ static int lpss_spi_setup(struct pci_dev *dev, struct pxa_spi_info *c)
 	}
 
 	c->dma_filter = lpss_dma_filter;
+	pci_dev_put(dma_dev);
+
 	return 0;
 }
 
-- 
2.7.4