Index: uspace/drv/fb/kfb/port.c
===================================================================
--- uspace/drv/fb/kfb/port.c	(revision 38d150e6238ab44c861f6486e46454e07caeb0f0)
+++ uspace/drv/fb/kfb/port.c	(revision e211ea04fccf33d4cb2092f630a29e893e096a02)
@@ -86,5 +86,5 @@
 static vslmode_list_element_t pixel_mode;
 
-static int kfb_claim(visualizer_t *vs)
+static errno_t kfb_claim(visualizer_t *vs)
 {
 	return physmem_map(kfb.paddr + kfb.offset,
@@ -93,7 +93,7 @@
 }
 
-static int kfb_yield(visualizer_t *vs)
-{
-	int rc;
+static errno_t kfb_yield(visualizer_t *vs)
+{
+	errno_t rc;
 
 	if (vs->mode_set) {
@@ -109,5 +109,5 @@
 }
 
-static int kfb_handle_damage_pixels(visualizer_t *vs,
+static errno_t kfb_handle_damage_pixels(visualizer_t *vs,
     sysarg_t x0, sysarg_t y0, sysarg_t width, sysarg_t height,
     sysarg_t x_offset, sysarg_t y_offset)
@@ -137,5 +137,5 @@
 }
 
-static int kfb_change_mode(visualizer_t *vs, vslmode_t new_mode)
+static errno_t kfb_change_mode(visualizer_t *vs, vslmode_t new_mode)
 {
 	vs->ops.handle_damage = kfb_handle_damage_pixels;
@@ -143,10 +143,10 @@
 }
 
-static int kfb_suspend(visualizer_t *vs)
-{
-	return EOK;
-}
-
-static int kfb_wakeup(visualizer_t *vs)
+static errno_t kfb_suspend(visualizer_t *vs)
+{
+	return EOK;
+}
+
+static errno_t kfb_wakeup(visualizer_t *vs)
 {
 	return EOK;
@@ -165,5 +165,5 @@
 {
 	visualizer_t *vsl;
-	int rc;
+	errno_t rc;
 
 	vsl = (visualizer_t *) ddf_fun_data_get((ddf_fun_t *)arg);
@@ -177,8 +177,8 @@
 }
 
-int port_init(ddf_dev_t *dev)
+errno_t port_init(ddf_dev_t *dev)
 {
 	sysarg_t present;
-	int rc = sysinfo_get_value("fb", &present);
+	errno_t rc = sysinfo_get_value("fb", &present);
 	if (rc != EOK)
 		present = false;