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net: reject creation of netdev names with colons

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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>
This commit is contained in:
Matthew Thode
2015-02-17 18:31:57 -06:00
committed by David S. Miller
parent ddede6d536
commit a4176a9391
1 changed files with 1 additions and 1 deletions
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net/core/dev.c
+1 -1
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@@ -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++;
}