Commit a4176a93 authored by Matthew Thode's avatar Matthew Thode Committed by David S. Miller

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: default avatarMatthew Thode <mthode@mthode.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent ddede6d5
......@@ -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++;
}
......
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