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-rw-r--r--net/9p/trans_xen.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/net/9p/trans_xen.c b/net/9p/trans_xen.c
index 71e85643b3f9..6ad3e043c617 100644
--- a/net/9p/trans_xen.c
+++ b/net/9p/trans_xen.c
@@ -454,8 +454,8 @@ static int xen_9pfs_front_probe(struct xenbus_device *dev,
goto error_xenbus;
}
priv->tag = xenbus_read(xbt, dev->nodename, "tag", NULL);
- if (!priv->tag) {
- ret = -EINVAL;
+ if (IS_ERR(priv->tag)) {
+ ret = PTR_ERR(priv->tag);
goto error_xenbus;
}
ret = xenbus_transaction_end(xbt, 0);
@@ -525,7 +525,7 @@ static struct xenbus_driver xen_9pfs_front_driver = {
.otherend_changed = xen_9pfs_front_changed,
};
-int p9_trans_xen_init(void)
+static int p9_trans_xen_init(void)
{
if (!xen_domain())
return -ENODEV;
@@ -537,7 +537,7 @@ int p9_trans_xen_init(void)
}
module_init(p9_trans_xen_init);
-void p9_trans_xen_exit(void)
+static void p9_trans_xen_exit(void)
{
v9fs_unregister_trans(&p9_xen_trans);
return xenbus_unregister_driver(&xen_9pfs_front_driver);