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authorDavid Howells <dhowells@redhat.com>2016-09-13 08:49:05 +0100
committerDavid Howells <dhowells@redhat.com>2016-09-13 23:09:13 +0100
commitcd5892c756f51ed6ff18ff49c837d219bfd9bb5d (patch)
tree927374788e2d27c5e861035aa72e7afcfabc90b8 /net
parent75e42126399220069ada0ca0e93237993c6afccf (diff)
downloadlinux-stericsson-cd5892c756f51ed6ff18ff49c837d219bfd9bb5d.tar.gz
rxrpc: Create an address for sendmsg() to bind unbound socket with
Create an address for sendmsg() to bind unbound socket with rather than using a completely blank address otherwise the transport socket creation will fail because it will try to use address family 0. We use the address family specified in the protocol argument when the AF_RXRPC socket was created and SOCK_DGRAM as the default. For anything else, bind() must be used. Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'net')
-rw-r--r--net/rxrpc/af_rxrpc.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/net/rxrpc/af_rxrpc.c b/net/rxrpc/af_rxrpc.c
index 25d00ded24bc..741b0d8d2e8c 100644
--- a/net/rxrpc/af_rxrpc.c
+++ b/net/rxrpc/af_rxrpc.c
@@ -401,6 +401,18 @@ static int rxrpc_sendmsg(struct socket *sock, struct msghdr *m, size_t len)
switch (rx->sk.sk_state) {
case RXRPC_UNBOUND:
+ rx->srx.srx_family = AF_RXRPC;
+ rx->srx.srx_service = 0;
+ rx->srx.transport_type = SOCK_DGRAM;
+ rx->srx.transport.family = rx->family;
+ switch (rx->family) {
+ case AF_INET:
+ rx->srx.transport_len = sizeof(struct sockaddr_in);
+ break;
+ default:
+ ret = -EAFNOSUPPORT;
+ goto error_unlock;
+ }
local = rxrpc_lookup_local(&rx->srx);
if (IS_ERR(local)) {
ret = PTR_ERR(local);