diff options
| author |   David Howells <dhowells@redhat.com> | 2017-11-02 15:27:48 +0000 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2017-11-13 15:38:17 +0000 |
| commit | 33cd7f2b76717ac8dda566d8b4f518e803ae2618 (patch) | |
| tree | de1ca2aba2b026759a89ed343271ccf1268093cc /fs/afs/rxrpc.c | |
| parent | afs: Condense afs_call's reply{,2,3,4} into an array (diff) | |
| download | wireguard-linux-33cd7f2b76717ac8dda566d8b4f518e803ae2618.tar.xz wireguard-linux-33cd7f2b76717ac8dda566d8b4f518e803ae2618.zip | |
afs: Potentially return call->reply[0] from afs_make_call()
If call->ret_reply0 is set, return call->reply[0] on success. Change the
return type of afs_make_call() to long so that this can be passed back
without bit loss and then cast to a pointer if required.
Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'fs/afs/rxrpc.c')
| -rw-r--r-- | fs/afs/rxrpc.c | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/fs/afs/rxrpc.c b/fs/afs/rxrpc.c index fc49193e12c4..d57f09b5d27b 100644 --- a/fs/afs/rxrpc.c +++ b/fs/afs/rxrpc.c @@ -20,7 +20,7 @@ struct workqueue_struct *afs_async_calls; static void afs_wake_up_call_waiter(struct sock *, struct rxrpc_call *, unsigned long); -static int afs_wait_for_call_to_complete(struct afs_call *); +static long afs_wait_for_call_to_complete(struct afs_call *); static void afs_wake_up_async_call(struct sock *, struct rxrpc_call *, unsigned long); static void afs_process_async_call(struct work_struct *); static void afs_rx_new_call(struct sock *, struct rxrpc_call *, unsigned long); @@ -320,8 +320,8 @@ static int afs_send_pages(struct afs_call *call, struct msghdr *msg) /* * initiate a call */ -int afs_make_call(struct sockaddr_rxrpc *srx, struct afs_call *call, - gfp_t gfp, bool async) +long afs_make_call(struct sockaddr_rxrpc *srx, struct afs_call *call, + gfp_t gfp, bool async) { struct rxrpc_call *rxcall; struct msghdr msg; @@ -415,9 +415,9 @@ error_do_abort: abort_code = 0; offset = 0; rxrpc_kernel_recv_data(call->net->socket, rxcall, NULL, - 0, &offset, false, &abort_code, + 0, &offset, false, &call->abort_code, &call->service_id); - ret = afs_abort_to_error(abort_code); + ret = afs_abort_to_error(call->abort_code); } error_kill_call: afs_put_call(call); @@ -468,7 +468,7 @@ static void afs_deliver_to_call(struct afs_call *call) case -EAGAIN: goto out; case -ECONNABORTED: - goto call_complete; + goto save_error; case -ENOTCONN: abort_code = RX_CALL_DEAD; rxrpc_kernel_abort_call(call->net->socket, call->rxcall, @@ -501,7 +501,6 @@ out: save_error: call->error = ret; -call_complete: call->state = AFS_CALL_COMPLETE; goto done; } @@ -509,10 +508,10 @@ call_complete: /* * wait synchronously for a call to complete */ -static int afs_wait_for_call_to_complete(struct afs_call *call) +static long afs_wait_for_call_to_complete(struct afs_call *call) { signed long rtt2, timeout; - int ret; + long ret; u64 rtt; u32 life, last_life; @@ -567,9 +566,16 @@ static int afs_wait_for_call_to_complete(struct afs_call *call) } ret = call->error; + if (ret < 0) { + ret = afs_abort_to_error(call->abort_code); + } else if (ret == 0 && call->ret_reply0) { + ret = (long)call->reply[0]; + call->reply[0] = NULL; + } + _debug("call complete"); afs_put_call(call); - _leave(" = %d", ret); + _leave(" = %p", (void *)ret); return ret; } |