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

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

net/core/dev.c

+1 −1
Original line number Diff line number Diff line
@@ -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++;

	}