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authorMatthew Thode <mthode@mthode.org>2015-02-17 18:31:57 -0600
committerSasha Levin <sasha.levin@oracle.com>2015-03-14 15:37:12 -0400
commite664c2cc867cce095a7f07b3b3de614072aa7bb6 (patch)
tree47ddbb870b0b4e8dc54b8ad130960aad356e2aad /net
parent4946f9d29794e6b5f2efc47eb6ac23b8bf9645f6 (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> Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Diffstat (limited to 'net')
-rw-r--r--net/core/dev.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index 9704a5c1103e..5db3a3f96198 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -943,7 +943,7 @@ bool dev_valid_name(const char *name)
return false;
while (*name) {
- if (*name == '/' || isspace(*name))
+ if (*name == '/' || *name == ':' || isspace(*name))
return false;
name++;
}