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| author | Matthew Thode <mthode@mthode.org> | 2015-02-17 18:31:57 -0600 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-03-18 13:31:22 +0100 |
| commit | f0bde5010b45ca740b3db4e99fee46f10df23f4b (patch) | |
| tree | ce447c7bc0749537c2a21841c7fc5c4ff8d83cc4 /net | |
| parent | 96c65236248aefab6d78b279ca2dc7fd8fa952ef (diff) | |
| download | lwn-f0bde5010b45ca740b3db4e99fee46f10df23f4b.tar.gz lwn-f0bde5010b45ca740b3db4e99fee46f10df23f4b.zip | |
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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 4ed77d7245c0..f6d8d7fe29ab 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -940,7 +940,7 @@ bool dev_valid_name(const char *name) return false; while (*name) { - if (*name == '/' || isspace(*name)) + if (*name == '/' || *name == ':' || isspace(*name)) return false; name++; } |