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authorDavid Howells <dhowells@redhat.com>2009-06-16 21:36:44 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-16 21:20:14 -0700
commit519d25679e8ae7433c758b9e74b19144f61b90f8 (patch)
treee458a5fbf4e37568133fd2488772e98c159fca2b /net
parent0dd5198672dd2bbeb933862e1fc82162e0b636be (diff)
downloadop-kernel-dev-519d25679e8ae7433c758b9e74b19144f61b90f8.zip
op-kernel-dev-519d25679e8ae7433c758b9e74b19144f61b90f8.tar.gz
RxRPC: Don't attempt to reuse aborted connections
Connections that have seen a connection-level abort should not be reused as the far end will just abort them again; instead a new connection should be made. Connection-level aborts occur due to such things as authentication failures. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'net')
-rw-r--r--net/rxrpc/ar-connection.c10
-rw-r--r--net/rxrpc/ar-connevent.c7
2 files changed, 16 insertions, 1 deletions
diff --git a/net/rxrpc/ar-connection.c b/net/rxrpc/ar-connection.c
index 67e38a0..9f1ce84 100644
--- a/net/rxrpc/ar-connection.c
+++ b/net/rxrpc/ar-connection.c
@@ -444,6 +444,11 @@ int rxrpc_connect_call(struct rxrpc_sock *rx,
conn = list_entry(bundle->avail_conns.next,
struct rxrpc_connection,
bundle_link);
+ if (conn->state >= RXRPC_CONN_REMOTELY_ABORTED) {
+ list_del_init(&conn->bundle_link);
+ bundle->num_conns--;
+ continue;
+ }
if (--conn->avail_calls == 0)
list_move(&conn->bundle_link,
&bundle->busy_conns);
@@ -461,6 +466,11 @@ int rxrpc_connect_call(struct rxrpc_sock *rx,
conn = list_entry(bundle->unused_conns.next,
struct rxrpc_connection,
bundle_link);
+ if (conn->state >= RXRPC_CONN_REMOTELY_ABORTED) {
+ list_del_init(&conn->bundle_link);
+ bundle->num_conns--;
+ continue;
+ }
ASSERTCMP(conn->avail_calls, ==, RXRPC_MAXCALLS);
conn->avail_calls = RXRPC_MAXCALLS - 1;
ASSERT(conn->channels[0] == NULL &&
diff --git a/net/rxrpc/ar-connevent.c b/net/rxrpc/ar-connevent.c
index dc5cb1e..0505cdc 100644
--- a/net/rxrpc/ar-connevent.c
+++ b/net/rxrpc/ar-connevent.c
@@ -150,11 +150,15 @@ static int rxrpc_process_event(struct rxrpc_connection *conn,
u32 serial;
int loop, ret;
- if (conn->state >= RXRPC_CONN_REMOTELY_ABORTED)
+ if (conn->state >= RXRPC_CONN_REMOTELY_ABORTED) {
+ kleave(" = -ECONNABORTED [%u]", conn->state);
return -ECONNABORTED;
+ }
serial = ntohl(sp->hdr.serial);
+ _enter("{%d},{%u,%%%u},", conn->debug_id, sp->hdr.type, serial);
+
switch (sp->hdr.type) {
case RXRPC_PACKET_TYPE_ABORT:
if (skb_copy_bits(skb, 0, &tmp, sizeof(tmp)) < 0)
@@ -199,6 +203,7 @@ static int rxrpc_process_event(struct rxrpc_connection *conn,
return 0;
default:
+ _leave(" = -EPROTO [%u]", sp->hdr.type);
return -EPROTO;
}
}
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