diff options
| author | Matthew Thode <mthode@mthode.org> | 2015-02-17 18:31:57 -0600 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2015-05-09 23:16:37 +0100 |
| commit | d501ebeb7da7531e92e3c8d194730341c314ff2d (patch) | |
| tree | b9f9669a4706dd155feb1065960a207fb3e8556f /net | |
| parent | 9405be73262273a6904688fb2f1e60a13117cf1b (diff) | |
net: reject creation of netdev names with colons
[ Upstream commit a4176a9391868bfa87705bcd2e3b49e9b9dd2996 ]
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>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'net')
| -rw-r--r-- | net/core/dev.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index 81e5f559eeab..1c0d862b0b12 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -859,7 +859,7 @@ int dev_valid_name(const char *name) return 0; while (*name) { - if (*name == '/' || isspace(*name)) + if (*name == '/' || *name == ':' || isspace(*name)) return 0; name++; } |