linux/kernel.h: sync min, max, min3, max3 macros with Linux

[platform/kernel/u-boot.git] / drivers / serial / usbtty.c

diff --git a/drivers/serial/usbtty.c b/drivers/serial/usbtty.c
index 7fb0b92..75f0ec3 100644 (file)
--- a/drivers/serial/usbtty.c
+++ b/drivers/serial/usbtty.c
@@ -882,7 +882,7 @@ static int write_buffer (circbuf_t * buf)
                        space_avail =
                                current_urb->buffer_length -
                                current_urb->actual_length;
-                       popnum = min(space_avail, buf->size);
+                       popnum = min(space_avail, (int)buf->size);
                        if (popnum == 0)
                                break;