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Subject[PATCH] reject creation of netdev names with colons
Date
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>
---
net/core/dev.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/core/dev.c b/net/core/dev.c
index d030575..efbad386 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++;
}
--
2.0.5


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