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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 <wangqing@vivo.com>
Link: https://lore.kernel.org/r/1644890407-65167-1-git-send-email-wangqing@vivo.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Wang Qing 2022-02-14 18:00:07 -08:00 committed by Mark Brown
parent 1847e3046c
commit 4d986ffa03
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GPG Key ID: 24D68B725D5487D0
1 changed files with 5 additions and 2 deletions
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7
drivers/spi/spi-topcliff-pch.c
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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)