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author | Olof Johansson <olof@lixom.net> | 2012-09-20 19:57:38 -0700 |
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committer | Olof Johansson <olof@lixom.net> | 2012-09-20 19:57:38 -0700 |
commit | 32dec75349da4e68b53f099ce3a96469cdc334d6 (patch) | |
tree | 96aca7914b07697668ec716a3f80fb8c82e7a971 /net/sctp/output.c | |
parent | 740418ef19fd7def7b9c333435d4ca1dce28cc42 (diff) | |
parent | 9891e3240543c45176b1298164418b61e8909ed0 (diff) | |
download | linux-32dec75349da4e68b53f099ce3a96469cdc334d6.tar.bz2 |
Merge tag 'tegra-for-3.7-dmaengine' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/cleanup
ARM: tegra: switch to dmaengine
The Tegra code-base has contained both a legacy DMA and a dmaengine
driver since v3.6-rcX. This series flips Tegra's defconfig to enable
dmaengine rather than the legacy driver, and removes the legacy driver
and all client code.
* tag 'tegra-for-3.7-dmaengine' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
ASoC: tegra: remove support of legacy DMA driver based access
spi: tegra: remove support of legacy DMA driver based access
ARM: tegra: apbio: remove support of legacy DMA driver based access
ARM: tegra: dma: remove legacy APB DMA driver
ARM: tegra: config: enable dmaengine based APB DMA driver
+ sync to 3.6-rc6
Diffstat (limited to 'net/sctp/output.c')
-rw-r--r-- | net/sctp/output.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/net/sctp/output.c b/net/sctp/output.c index 838e18b4d7ea..be50aa234dcd 100644 --- a/net/sctp/output.c +++ b/net/sctp/output.c @@ -364,6 +364,25 @@ finish: return retval; } +static void sctp_packet_release_owner(struct sk_buff *skb) +{ + sk_free(skb->sk); +} + +static void sctp_packet_set_owner_w(struct sk_buff *skb, struct sock *sk) +{ + skb_orphan(skb); + skb->sk = sk; + skb->destructor = sctp_packet_release_owner; + + /* + * The data chunks have already been accounted for in sctp_sendmsg(), + * therefore only reserve a single byte to keep socket around until + * the packet has been transmitted. + */ + atomic_inc(&sk->sk_wmem_alloc); +} + /* All packets are sent to the network through this function from * sctp_outq_tail(). * @@ -405,7 +424,7 @@ int sctp_packet_transmit(struct sctp_packet *packet) /* Set the owning socket so that we know where to get the * destination IP address. */ - skb_set_owner_w(nskb, sk); + sctp_packet_set_owner_w(nskb, sk); if (!sctp_transport_dst_check(tp)) { sctp_transport_route(tp, NULL, sctp_sk(sk)); |