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authorRaag Jadav <raag.jadav@intel.com>2024-01-02 08:50:06 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-01-04 18:21:51 +0300
commit8c9aa6e1877de041e393b42a88e0cfd54627b3f7 (patch)
tree89f7fecae32b57d8462f1d3cfa43a2eb38eadc65 /drivers/tty
parent9903f2f2e1c0306df5e35080552502659475e751 (diff)
downloadlinux-8c9aa6e1877de041e393b42a88e0cfd54627b3f7.tar.xz
serial: 8250_lpss: copy dma_param using devm_kmemdup()
Use devm_kmemdup() helper to copy dma_param instead of doing it manually. Signed-off-by: Raag Jadav <raag.jadav@intel.com> Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Link: https://lore.kernel.org/r/20240102055006.27256-1-raag.jadav@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
-rw-r--r--drivers/tty/serial/8250/8250_lpss.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/tty/serial/8250/8250_lpss.c b/drivers/tty/serial/8250/8250_lpss.c
index 0e43bdfb7459..776ec1ef29d6 100644
--- a/drivers/tty/serial/8250/8250_lpss.c
+++ b/drivers/tty/serial/8250/8250_lpss.c
@@ -287,17 +287,14 @@ static int lpss8250_dma_setup(struct lpss8250 *lpss, struct uart_8250_port *port
return 0;
}
- rx_param = devm_kzalloc(dev, sizeof(*rx_param), GFP_KERNEL);
+ rx_param = devm_kmemdup(dev, &lpss->dma_param, sizeof(*rx_param), GFP_KERNEL);
if (!rx_param)
return -ENOMEM;
- tx_param = devm_kzalloc(dev, sizeof(*tx_param), GFP_KERNEL);
+ tx_param = devm_kmemdup(dev, &lpss->dma_param, sizeof(*tx_param), GFP_KERNEL);
if (!tx_param)
return -ENOMEM;
- *rx_param = lpss->dma_param;
- *tx_param = lpss->dma_param;
-
dma->fn = lpss8250_dma_filter;
dma->rx_param = rx_param;
dma->tx_param = tx_param;