1 files changed, 5 insertions, 2 deletions

diff --git a/net/x25/x25_route.c b/net/x25/x25_route.c
index 2c999ccf504a..97d77c532d8c 100644
--- a/net/x25/x25_route.c
+++ b/net/x25/x25_route.c
@@ -19,6 +19,7 @@
 
 #include <linux/if_arp.h>
 #include <linux/init.h>
+#include <linux/slab.h>
 #include <net/x25.h>
 
 LIST_HEAD(x25_route_list);
@@ -136,8 +137,10 @@ struct net_device *x25_dev_get(char *devname)
 #if defined(CONFIG_LLC) || defined(CONFIG_LLC_MODULE)
                                         && dev->type != ARPHRD_ETHER
 #endif
-                                        )))
+                                        ))){
                 dev_put(dev);
+                dev = NULL;
+        }
 
         return dev;
 }
@@ -190,7 +193,7 @@ int x25_route_ioctl(unsigned int cmd, void __user *arg)
                 goto out;
 
         rc = -EINVAL;
-        if (rt.sigdigits < 0 || rt.sigdigits > 15)
+        if (rt.sigdigits > 15)
                 goto out;
 
         dev = x25_dev_get(rt.device);