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spi: add missing pci_dev_put() before return

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

Signed-off-by: Wang Qing <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>
This commit is contained in:
Wang Qing authored and Mark Brown committed 2022-02-23 02:04:17 +00:00
1 parent 1847e3046c
commit 4d986ffa03
1 file changed
+5 -2
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drivers/spi/spi-topcliff-pch.c
+5 -2
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@@ -877,7 +877,7 @@ static void pch_spi_request_dma(struct pch_spi_data *data, int bpw)
dev_err(&data->master->dev,
"ERROR: dma_request_channel FAILS(Tx)\n");
data->use_dma = 0;
return;
goto out;
}
dma->chan_tx = chan;
@@ -894,9 +894,12 @@ static void pch_spi_request_dma(struct pch_spi_data *data, int bpw)
dma_release_channel(dma->chan_tx);
dma->chan_tx = NULL;
data->use_dma = 0;
return;
goto out;
}
dma->chan_rx = chan;
out:
pci_dev_put(dma_dev);
}
static void pch_spi_release_dma(struct pch_spi_data *data)