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| author | Ingo Molnar <mingo@kernel.org> | 2017-09-04 11:01:18 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-09-04 11:01:18 +0200 |
| commit | edc2988c548db05e33b921fed15821010bc74895 (patch) | |
| tree | b35860428acea35e5866d4cf007519ed943a85de /net/kcm/kcmsock.c | |
| parent | d82fed75294229abc9d757f08a4817febae6c4f4 (diff) | |
| parent | 81a84ad3cb5711cec79f4dd53a4ce026b092c432 (diff) | |
| download | linux-edc2988c548db05e33b921fed15821010bc74895.tar.bz2 | |
Merge branch 'linus' into locking/core, to fix up conflicts
Conflicts:
mm/page_alloc.c
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'net/kcm/kcmsock.c')
| -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 da49191f7ad0..4abf6287d7e1 100644 --- a/net/kcm/kcmsock.c +++ b/net/kcm/kcmsock.c @@ -1383,6 +1383,10 @@ 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; |