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| author |   Takashi Iwai <tiwai@suse.de> | 2012-08-03 12:59:38 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2012-08-03 12:59:38 +0200 |
| commit | d30a0d839a5a282e43353fee53d5dc70db5eceda (patch) | |
| tree | 189a91615be3174a9ff8b20937359d11298433af /net/core/filter.c | |
| parent | ALSA: emu10k1: Avoid access to invalid pages when period=1 (diff) | |
| parent | ALSA: isa: Move snd_legacy_find_free_ioport to initval.h (diff) | |
| download | linux-dev-d30a0d839a5a282e43353fee53d5dc70db5eceda.tar.xz linux-dev-d30a0d839a5a282e43353fee53d5dc70db5eceda.zip | |
Merge branch 'topic/next' into for-next
Diffstat (limited to 'net/core/filter.c')
| -rw-r--r-- | net/core/filter.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/net/core/filter.c b/net/core/filter.c index d4ce2dc712e3..907efd27ec77 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -83,6 +83,14 @@ int sk_filter(struct sock *sk, struct sk_buff *skb) int err; struct sk_filter *filter; + /* + * If the skb was allocated from pfmemalloc reserves, only + * allow SOCK_MEMALLOC sockets to use it as this socket is + * helping free memory + */ + if (skb_pfmemalloc(skb) && !sock_flag(sk, SOCK_MEMALLOC)) + return -ENOMEM; + err = security_sock_rcv_skb(sk, skb); if (err) return err; |