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| author | David S. Miller <davem@davemloft.net> | 2017-09-01 17:42:05 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-09-01 17:42:05 -0700 |
| commit | 6026e043d09012c6269f9a96a808d52d9c498224 (patch) | |
| tree | a80578915557db98596821ff60d2ff37dafffb4f /net/kcm | |
| parent | 4cc5b44b29a9de9b3f841efedaa3f769066c63cc (diff) | |
| parent | 138e4ad67afd5c6c318b056b4d17c17f2c0ca5c0 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Three cases of simple overlapping changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/kcm')
| -rw-r--r-- | net/kcm/kcmsock.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/kcm/kcmsock.c b/net/kcm/kcmsock.c index 48e993b2dbcf..af4e76ac88ff 100644 --- a/net/kcm/kcmsock.c +++ b/net/kcm/kcmsock.c @@ -1387,6 +1387,10 @@ static int kcm_attach(struct socket *sock, struct socket *csock, if (!csk) return -EINVAL; + /* We must prevent loops or risk deadlock ! */ + if (csk->sk_family == PF_KCM) + return -EOPNOTSUPP; + psock = kmem_cache_zalloc(kcm_psockp, GFP_KERNEL); if (!psock) return -ENOMEM; |