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author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-05-08 19:03:26 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-05-08 19:03:26 -0700 |
commit | 28a4acb48586dc21d2d14a75a7aab7be78b7c83b (patch) | |
tree | 1e95503037a68286ba732dbc0a844dbf0f826223 /net/can | |
parent | 89f92d6425b099538932e9b881588f87ef9f3184 (diff) | |
parent | e46b66bc42b6b1430b04cc5c207ecb2b2f4553dc (diff) | |
download | kernel_samsung_smdk4412-28a4acb48586dc21d2d14a75a7aab7be78b7c83b.zip kernel_samsung_smdk4412-28a4acb48586dc21d2d14a75a7aab7be78b7c83b.tar.gz kernel_samsung_smdk4412-28a4acb48586dc21d2d14a75a7aab7be78b7c83b.tar.bz2 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (32 commits)
net: Added ASSERT_RTNL() to dev_open() and dev_close().
can: Fix can_send() handling on dev_queue_xmit() failures
netns: Fix arbitrary net_device-s corruptions on net_ns stop.
netfilter: Kconfig: default DCCP/SCTP conntrack support to the protocol config values
netfilter: nf_conntrack_sip: restrict RTP expect flushing on error to last request
macvlan: Fix memleak on device removal/crash on module removal
net/ipv4: correct RFC 1122 section reference in comment
tcp FRTO: SACK variant is errorneously used with NewReno
e1000e: don't return half-read eeprom on error
ucc_geth: Don't use RX clock as TX clock.
cxgb3: Use CAP_SYS_RAWIO for firmware
pcnet32: delete non NAPI code from driver.
fs_enet: Fix a memory leak in fs_enet_mdio_probe
[netdrvr] eexpress: IPv6 fails - multicast problems
3c59x: use netstats in net_device structure
3c980-TX needs EXTRA_PREAMBLE
fix warning in drivers/net/appletalk/cops.c
e1000e: Add support for BM PHYs on ICH9
uli526x: fix endianness issues in the setup frame
uli526x: initialize the hardware prior to requesting interrupts
...
Diffstat (limited to 'net/can')
-rw-r--r-- | net/can/af_can.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/net/can/af_can.c b/net/can/af_can.c index 2759b76..7e8ca28 100644 --- a/net/can/af_can.c +++ b/net/can/af_can.c @@ -208,6 +208,7 @@ static int can_create(struct net *net, struct socket *sock, int protocol) */ int can_send(struct sk_buff *skb, int loop) { + struct sk_buff *newskb = NULL; int err; if (skb->dev->type != ARPHRD_CAN) { @@ -244,8 +245,7 @@ int can_send(struct sk_buff *skb, int loop) * If the interface is not capable to do loopback * itself, we do it here. */ - struct sk_buff *newskb = skb_clone(skb, GFP_ATOMIC); - + newskb = skb_clone(skb, GFP_ATOMIC); if (!newskb) { kfree_skb(skb); return -ENOMEM; @@ -254,7 +254,6 @@ int can_send(struct sk_buff *skb, int loop) newskb->sk = skb->sk; newskb->ip_summed = CHECKSUM_UNNECESSARY; newskb->pkt_type = PACKET_BROADCAST; - netif_rx(newskb); } } else { /* indication for the CAN driver: no loopback required */ @@ -266,11 +265,20 @@ int can_send(struct sk_buff *skb, int loop) if (err > 0) err = net_xmit_errno(err); + if (err) { + if (newskb) + kfree_skb(newskb); + return err; + } + + if (newskb) + netif_rx(newskb); + /* update statistics */ can_stats.tx_frames++; can_stats.tx_frames_delta++; - return err; + return 0; } EXPORT_SYMBOL(can_send); |