serial: omap-serial: fix signess error
"ret" is unsigned, so check for (ret < 0) made no sense.
Made it signed.
Signed-off-by: Vasiliy Kulikov <segooon@gmail.com>
Acked-by: Kevin Hilman <khilman@deeprootsystems.com
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/drivers/serial/omap-serial.c b/drivers/serial/omap-serial.c
index 2ee1d32..14365f7 100644
--- a/drivers/serial/omap-serial.c
+++ b/drivers/serial/omap-serial.c
@@ -1055,7 +1055,7 @@
{
struct uart_omap_port *up = ui[uart_no];
unsigned int curr_dma_pos, curr_transmitted_size;
- unsigned int ret = 0;
+ int ret = 0;
curr_dma_pos = omap_get_dma_dst_pos(up->uart_dma.rx_dma_channel);
if ((curr_dma_pos == up->uart_dma.prev_rx_dma_pos) ||