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authorMatthew Thode <mthode@mthode.org>2015-02-17 18:31:57 -0600
committerDavid S. Miller <davem@davemloft.net>2015-02-21 21:45:25 -0500
commita4176a9391868bfa87705bcd2e3b49e9b9dd2996 (patch)
tree03d617339ea5e540b5ca5951b2654efd55d44251
parentddede6d536d70c4ef2193ca14208db90740fcd22 (diff)
net: reject creation of netdev names with colons
colons are used as a separator in netdev device lookup in dev_ioctl.c Specific functions are SIOCGIFTXQLEN SIOCETHTOOL SIOCSIFNAME Signed-off-by: Matthew Thode <mthode@mthode.org> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/core/dev.c2
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++;
}