spi: dw-dma: decrease reference count in dw_spi_dma_init_mfld()
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: 7063c0d9 ("spi/dw_spi: add DMA support") Signed-off-by: NXiongfeng Wang <wangxiongfeng2@huawei.com> Acked-by: NSerge Semin <fancer.lancer@gmail.com> Link: https://lore.kernel.org/r/20221116093204.46700-1-wangxiongfeng2@huawei.comSigned-off-by: NMark Brown <broonie@kernel.org>
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