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>
This commit is contained in:
Vasiliy Kulikov 2010-10-10 21:28:35 +04:00 committed by Tony Lindgren
parent 0e4905c019
commit 79fc3e2140

View file

@ -1055,7 +1055,7 @@ static void serial_omap_rx_timeout(unsigned long uart_no)
{
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) ||