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authorAsias He <asias@redhat.com>2013-06-20 17:20:31 +0800
committerDavid S. Miller <davem@davemloft.net>2013-06-23 23:51:48 -0700
commitdce1a2877778fee172ab74411fcabd77bceb8e12 (patch)
treeb42a4643fc4380a665dcba93c71f9786df23584e /net/vmw_vsock
parentb3a6dfe8178c5159e54117078134fef806a913ca (diff)
VSOCK: Return VMCI_ERROR_NO_MEM when fails to allocate skb
vmci_transport_recv_dgram_cb always return VMCI_SUCESS even if we fail to allocate skb, return VMCI_ERROR_NO_MEM instead. Signed-off-by: Asias He <asias@redhat.com> Acked-by: Andy King <acking@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/vmw_vsock')
-rw-r--r--net/vmw_vsock/vmci_transport.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/net/vmw_vsock/vmci_transport.c b/net/vmw_vsock/vmci_transport.c
index daff75200e25..99b511ddb4cb 100644
--- a/net/vmw_vsock/vmci_transport.c
+++ b/net/vmw_vsock/vmci_transport.c
@@ -625,13 +625,14 @@ static int vmci_transport_recv_dgram_cb(void *data, struct vmci_datagram *dg)
/* Attach the packet to the socket's receive queue as an sk_buff. */
skb = alloc_skb(size, GFP_ATOMIC);
- if (skb) {
- /* sk_receive_skb() will do a sock_put(), so hold here. */
- sock_hold(sk);
- skb_put(skb, size);
- memcpy(skb->data, dg, size);
- sk_receive_skb(sk, skb, 0);
- }
+ if (!skb)
+ return VMCI_ERROR_NO_MEM;
+
+ /* sk_receive_skb() will do a sock_put(), so hold here. */
+ sock_hold(sk);
+ skb_put(skb, size);
+ memcpy(skb->data, dg, size);
+ sk_receive_skb(sk, skb, 0);
return VMCI_SUCCESS;
}

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