From: Erik van der Kouwe <erikvdk@gmail.com>
Date: Fri, 9 Apr 2010 17:33:30 +0000 (-0500)
Subject: bug fix for console scroll signedness issue
X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=commitdiff_plain;h=2851c75eed75519b4d5eaa573cc2f27529dbf981

bug fix for console scroll signedness issue
---

diff --git a/palacios/include/devices/console.h b/palacios/include/devices/console.h
index 70eeff7..8484452 100644
--- a/palacios/include/devices/console.h
+++ b/palacios/include/devices/console.h
@@ -28,7 +28,7 @@ struct v3_console_ops {
     // filled in by the backend device
     int (*update_screen)(uint_t x, uint_t y, uint_t length, void * private_data);
     int (*update_cursor)(uint_t x, uint_t y, void * private_data);
-    int (*scroll)(uint_t rows, void * private_data);
+    int (*scroll)(int rows, void * private_data);
 };
 
 
diff --git a/palacios/src/devices/telnet_cons.c b/palacios/src/devices/telnet_cons.c
index 30e07d1..8f71adf 100644
--- a/palacios/src/devices/telnet_cons.c
+++ b/palacios/src/devices/telnet_cons.c
@@ -354,7 +354,7 @@ static int screen_update(uint_t x, uint_t y, uint_t length, void * private_data)
     return ret;
 }
 
-static int scroll(uint_t rows, void * private_data) {
+static int scroll(int rows, void * private_data) {
     struct vm_device * dev = (struct vm_device *)private_data;
     struct cons_state * state = (struct cons_state *)dev->private_data;
     addr_t irq_state = 0;