minios: have xenbus_printf return the error returned by xenbus_write

Signed-off-by: Samuel Thibault <samuel.thibault@eu.citrix.com>

diff --git a/extras/mini-os/xenbus/xenbus.c b/extras/mini-os/xenbus/xenbus.c
index dd3bccbb8e140681798736ce082311ecc0d85858..1a96ce2f24927dd355e178c4b5548dc341602dd5 100644 (file)
--- a/extras/mini-os/xenbus/xenbus.c
+++ b/extras/mini-os/xenbus/xenbus.c
@@ -637,9 +637,7 @@ char* xenbus_printf(xenbus_transaction_t xbt,
     va_start(args, fmt);
     vsprintf(val, fmt, args);
     va_end(args);
-    xenbus_write(xbt,fullpath,val);
-
-    return NULL;
+    return xenbus_write(xbt,fullpath,val);
 }
 
 static void do_ls_test(const char *pre)