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authorJorgen Hansen <jhansen@vmware.com>2016-04-18 23:58:52 -0700
committerDavid S. Miller <davem@davemloft.net>2016-04-19 20:42:01 -0400
commit9c995cc9a206a008699da82f6cd01e9b2615649a (patch)
treed65dff1c7c5fed3b72b635641af27977baf0ba56 /net
parent2309236c13feae619572324efd3e910e66ef6bd0 (diff)
downloadlinux-9c995cc9a206a008699da82f6cd01e9b2615649a.tar.bz2
VSOCK: Only check error on skb_recv_datagram when skb is NULL
If skb_recv_datagram returns an skb, we should ignore the err value returned. Otherwise, datagram receives will return EAGAIN when they have to wait for a datagram. Acked-by: Adit Ranadive <aditr@vmware.com> Signed-off-by: Jorgen Hansen <jhansen@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/vmw_vsock/vmci_transport.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/net/vmw_vsock/vmci_transport.c b/net/vmw_vsock/vmci_transport.c
index 662bdd20a748..56214736fe88 100644
--- a/net/vmw_vsock/vmci_transport.c
+++ b/net/vmw_vsock/vmci_transport.c
@@ -1735,11 +1735,8 @@ static int vmci_transport_dgram_dequeue(struct vsock_sock *vsk,
/* Retrieve the head sk_buff from the socket's receive queue. */
err = 0;
skb = skb_recv_datagram(&vsk->sk, flags, noblock, &err);
- if (err)
- return err;
-
if (!skb)
- return -EAGAIN;
+ return err;
dg = (struct vmci_datagram *)skb->data;
if (!dg)
@@ -2154,7 +2151,7 @@ module_exit(vmci_transport_exit);
MODULE_AUTHOR("VMware, Inc.");
MODULE_DESCRIPTION("VMCI transport for Virtual Sockets");
-MODULE_VERSION("1.0.3.0-k");
+MODULE_VERSION("1.0.4.0-k");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("vmware_vsock");
MODULE_ALIAS_NETPROTO(PF_VSOCK);