Xiongfeng Wang fcb2d28636 spi: dw-dma: decrease reference count in dw_spi_dma_init_mfld()
[ Upstream commit 804313b64e412a81b0b3389a10e7622452004aa6 ]

pci_get_device() will increase the reference count for the returned
pci_dev. Since 'dma_dev' is only used to filter the channel in
dw_spi_dma_chan_filer() after using it we need to call pci_dev_put() to
decrease the reference count. Also add pci_dev_put() for the error case.

Fixes: 7063c0d942a1 ("spi/dw_spi: add DMA support")
Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com>
Acked-by: Serge Semin <fancer.lancer@gmail.com>
Link: https://lore.kernel.org/r/20221116093204.46700-1-wangxiongfeng2@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-12-02 17:39:59 +01:00
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