tunnel: Fix possible segfault

Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>

diff --git a/tunnel.c b/tunnel.c
index 524fd435e3d1f3178cc34cd1c45b81f62596c5d1..4a6c4093f3fa96bf26ca652c1ed71c4f7a8533ef 100644 (file)
--- a/tunnel.c
+++ b/tunnel.c
@@ -67,6 +67,9 @@ tunnel_create(const char *name, struct blob_attr *attr)
        struct device *dev;
 
        tun = calloc(1, sizeof(*tun));
+       if (!tun)
+               return NULL;
+
        dev = &tun->dev;
        device_init(dev, &tunnel_device_type, name);
        tun->set_state = dev->set_state;