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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>
wifi-calibration
David Howells 2009-06-16 21:36:44 +01:00 committed by Linus Torvalds
parent 0dd5198672
commit 519d25679e
2 changed files with 16 additions and 1 deletions
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10
net/rxrpc/ar-connection.c
View File

@ -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 &&

7
net/rxrpc/ar-connevent.c
View File

@ -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;
}
}