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-rw-r--r--net/9p/trans_xen.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/9p/trans_xen.c b/net/9p/trans_xen.c
index 71e85643b3f9..83fe487f460e 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);