diff options
Diffstat (limited to 'net/9p/trans_xen.c')
-rw-r--r-- | net/9p/trans_xen.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/9p/trans_xen.c b/net/9p/trans_xen.c index 2e2b8bc..c2d54ac 100644 --- a/net/9p/trans_xen.c +++ b/net/9p/trans_xen.c @@ -94,6 +94,9 @@ static int p9_xen_create(struct p9_client *client, const char *addr, char *args) { struct xen_9pfs_front_priv *priv; + if (addr == NULL) + return -EINVAL; + read_lock(&xen_9pfs_lock); list_for_each_entry(priv, &xen_9pfs_devs, list) { if (!strcmp(priv->tag, addr)) { |