1 files changed, 1 insertions, 1 deletions

diff --git a/net/core/dev.c b/net/core/dev.c
index 8f9710c62e20..962ee9d71964 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -946,7 +946,7 @@ bool dev_valid_name(const char *name)
                 return false;
 
         while (*name) {
-                if (*name == '/' || isspace(*name))
+                if (*name == '/' || *name == ':' || isspace(*name))
                         return false;
                 name++;
         }