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-rw-r--r--drivers/tty/serial/sprd_serial.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/tty/serial/sprd_serial.c b/drivers/tty/serial/sprd_serial.c
index efca715bc97e..f328fa57231f 100644
--- a/drivers/tty/serial/sprd_serial.c
+++ b/drivers/tty/serial/sprd_serial.c
@@ -364,7 +364,7 @@ static void sprd_rx_free_buf(struct sprd_uart_port *sp)
if (sp->rx_dma.virt)
dma_free_coherent(sp->port.dev, SPRD_UART_RX_SIZE,
sp->rx_dma.virt, sp->rx_dma.phys_addr);
-
+ sp->rx_dma.virt = NULL;
}
static int sprd_rx_dma_config(struct uart_port *port, u32 burst)
@@ -1203,7 +1203,7 @@ static int sprd_probe(struct platform_device *pdev)
ret = uart_register_driver(&sprd_uart_driver);
if (ret < 0) {
pr_err("Failed to register SPRD-UART driver\n");
- return ret;
+ goto free_rx_buf;
}
}
@@ -1222,6 +1222,7 @@ clean_port:
sprd_port[index] = NULL;
if (--sprd_ports_num == 0)
uart_unregister_driver(&sprd_uart_driver);
+free_rx_buf:
sprd_rx_free_buf(sport);
return ret;
}