dma_err is not used other than for boolean evaluation;
substitute the actual operation directly.
Signed-off-by: Peter Hurley <peter@xxxxxxxxxxxxxxxxxx>
---
drivers/tty/serial/8250/8250_omap.c | 8 ++------
drivers/tty/serial/8250/8250_port.c | 6 +-----
2 files changed, 3 insertions(+), 11 deletions(-)
diff --git a/drivers/tty/serial/8250/8250_omap.c b/drivers/tty/serial/8250/8250_omap.c
index 6f76051..7c8c886 100644
--- a/drivers/tty/serial/8250/8250_omap.c
+++ b/drivers/tty/serial/8250/8250_omap.c
@@ -1033,7 +1033,6 @@ static int omap_8250_dma_handle_irq(struct uart_port *port)
unsigned char status;
unsigned long flags;
u8 iir;
- int dma_err = 0;
serial8250_rpm_get(up);
@@ -1048,9 +1047,7 @@ static int omap_8250_dma_handle_irq(struct uart_port *port)
status = serial_port_in(port, UART_LSR);
if (status & (UART_LSR_DR | UART_LSR_BI)) {
-
- dma_err = omap_8250_rx_dma(up, iir);
- if (dma_err) {
+ if (omap_8250_rx_dma(up, iir)) {
status = serial8250_rx_chars(up, status);
omap_8250_rx_dma(up, 0);
}
@@ -1066,8 +1063,7 @@ static int omap_8250_dma_handle_irq(struct uart_port *port)
* try again due to an earlier failer which
* might have been resolved by now.
*/
- dma_err = omap_8250_tx_dma(up);
- if (dma_err)
+ if (omap_8250_tx_dma(up))
serial8250_tx_chars(up);
}
}
diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c
index e213da0..8ae9bb2 100644
--- a/drivers/tty/serial/8250/8250_port.c
+++ b/drivers/tty/serial/8250/8250_port.c
@@ -1787,7 +1787,6 @@ int serial8250_handle_irq(struct uart_port *port, unsigned int iir)
unsigned char status;
unsigned long flags;
struct uart_8250_port *up = up_to_u8250p(port);
- int dma_err = 0;
if (iir & UART_IIR_NO_INT)
return 0;
@@ -1799,10 +1798,7 @@ int serial8250_handle_irq(struct uart_port *port, unsigned int iir)
DEBUG_INTR("status = %x...", status);
if (status & (UART_LSR_DR | UART_LSR_BI)) {
- if (up->dma)
- dma_err = up->dma->rx_dma(up, iir);
-
- if (!up->dma || dma_err)
+ if (!up->dma || up->dma->rx_dma(up, iir))
status = serial8250_rx_chars(up, status);
}
serial8250_modem_status(up);
--
2.8.1
--
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