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packet : remove init_net restriction

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The af_packet protocol is used by Perl to do ioctls as reported by
Stephane Riviere:

"Net::RawIP relies on SIOCGIFADDR et SIOCGIFHWADDR to get the IP and MAC
addresses of the network interface."

But in a new network namespace these ioctl fail because it is disabled for
a namespace different from the init_net_ns.

These two lines should not be there as af_inet and af_packet are
namespace aware since a long time now. I suppose we forget to remove these
lines because we sent the af_packet first, before af_inet was supported.

Signed-off-by: Daniel Lezcano <[email protected]>
Reported-by: Stephane Riviere <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Daniel Lezcano 2010-04-14 23:11:14 +00:00 • committed by David S. Miller
commit 1c4f019732
1 changed files with 0 additions and 2 deletions
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2
net/packet/af_packet.c
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@ -2169,8 +2169,6 @@ static int packet_ioctl(struct socket *sock, unsigned int cmd,
case SIOCGIFDSTADDR:
case SIOCSIFDSTADDR:
case SIOCSIFFLAGS:
if (!net_eq(sock_net(sk), &init_net))
return -ENOIOCTLCMD;
return inet_dgram_ops.ioctl(sock, cmd, arg);
#endif