diff options
| author | Krzysztof Mazur <krzysiek@podlesie.net> | 2012-11-07 02:16:58 +0400 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2012-11-28 04:37:02 +0400 |
| commit | 3b1a914595f3f9beb9e38ff3ddc7bdafa092ba22 (patch) | |
| tree | 03acc4ae1063017d6986d149cd4ffe5140f3e63c /net/atm/pppoatm.c | |
| parent | ec809bd817dfa1905283468e4c813684ed4efe78 (diff) | |
| download | linux-3b1a914595f3f9beb9e38ff3ddc7bdafa092ba22.tar.xz | |
pppoatm: allow assign only on a connected socket
The pppoatm does not check if used vcc is in connected state,
causing an Oops in pppoatm_send() when vcc->send() is called
on not fully connected socket.
Now pppoatm can be assigned only on connected sockets; otherwise
-EINVAL error is returned.
Signed-off-by: Krzysztof Mazur <krzysiek@podlesie.net>
Cc: Chas Williams - CONTRACTOR <chas@cmf.nrl.navy.mil>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'net/atm/pppoatm.c')
| -rw-r--r-- | net/atm/pppoatm.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/atm/pppoatm.c b/net/atm/pppoatm.c index 226dca989448..f27a07a3c546 100644 --- a/net/atm/pppoatm.c +++ b/net/atm/pppoatm.c @@ -406,6 +406,8 @@ static int pppoatm_ioctl(struct socket *sock, unsigned int cmd, return -ENOIOCTLCMD; if (!capable(CAP_NET_ADMIN)) return -EPERM; + if (sock->state != SS_CONNECTED) + return -EINVAL; return pppoatm_assign_vcc(atmvcc, argp); } case PPPIOCGCHAN: |