--- rockbox-svn-trunk/firmware/drivers/ata.c	2008-12-24 13:34:52.465000000 -0500
+++ rockbox-19605-writecheck/firmware/drivers/ata.c	2008-12-28 12:38:49.517200000 -0500
@@ -239,7 +239,9 @@
 {
     if (!wait_for_bsy())
         return 0;
-    return (ATA_ALT_STATUS & (STATUS_RDY|STATUS_DRQ)) == STATUS_RDY;
+    return (ATA_ALT_STATUS & 
+            (STATUS_BSY|STATUS_RDY|STATUS_DF|STATUS_DRQ|STATUS_ERR))
+           == STATUS_RDY;
 }    
 
 #if (CONFIG_LED == LED_REAL)