Index: uspace/drv/fb/kfb/port.c
===================================================================
--- uspace/drv/fb/kfb/port.c	(revision fe8961db047fff7f6f3e5cb6cd8dd148c78821e6)
+++ uspace/drv/fb/kfb/port.c	(revision b669092e438e076884593e6fbe1d1d1da54b83a3)
@@ -66,4 +66,5 @@
 
 typedef struct {
+	sysarg_t paddr;
 	sysarg_t width;
 	sysarg_t height;
@@ -87,5 +88,7 @@
 static int kfb_claim(visualizer_t *vs)
 {
-	return EOK;
+	return physmem_map(kfb.paddr + kfb.offset,
+	    ALIGN_UP(kfb.size, PAGE_SIZE) >> PAGE_WIDTH,
+	    AS_AREA_READ | AS_AREA_WRITE, (void *) &kfb.addr);
 }
 
@@ -96,5 +99,5 @@
 	}
 
-	return EOK;
+	return physmem_unmap(kfb.addr);
 }
 
@@ -210,4 +213,5 @@
 	kfb.width = width;
 	kfb.height = height;
+	kfb.paddr = paddr;
 	kfb.offset = offset;
 	kfb.scanline = scanline;
@@ -287,10 +291,4 @@
 	kfb.size = scanline * height;
 	kfb.addr = AS_AREA_ANY;
-	
-	rc = physmem_map(paddr + offset,
-	    ALIGN_UP(kfb.size, PAGE_SIZE) >> PAGE_WIDTH,
-	    AS_AREA_READ | AS_AREA_WRITE, (void *) &kfb.addr);
-	if (rc != EOK)
-		return rc;
 	
 	ddf_fun_t *fun_vs = ddf_fun_create(dev, fun_exposed, "vsl0");