[U-Boot] [PATCH] serial: sandbox: use ssize_t to match os_read

[Mike Frysinger]

Signed-off-by: Mike Frysinger <vapier at gentoo.org>
---
 drivers/serial/sandbox.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/serial/sandbox.c b/drivers/serial/sandbox.c
index cae6c94..814a0f9 100644
--- a/drivers/serial/sandbox.c
+++ b/drivers/serial/sandbox.c
@@ -50,7 +50,7 @@ void serial_puts(const char *str)
 int serial_getc(void)
 {
 	char buf;
-	int count;
+	ssize_t count;
 
 	count = os_read(0, &buf, 1);
 	return count == 1 ? buf : 0;
-- 
1.7.6.1