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afs: Fix the handling of CB.InitCallBackState3 to find the server by UUID

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Fix the handling of the CB.InitCallBackState3 service call to find the
record of a server that we're using by looking it up by the UUID passed as
the parameter rather than by its address (of which it might have many, and
which may change).

Fixes: c35eccb1f6 ("[AFS]: Implement the CB.InitCallBackState3 operation.")
Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
David Howells 2018-05-11 23:21:35 +01:00
parent 3d9fa91161
commit 001ab5a67e
1 changed files with 3 additions and 3 deletions
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6
fs/afs/cmservice.c
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@ -341,7 +341,6 @@ static int afs_deliver_cb_init_call_back_state(struct afs_call *call)
*/
static int afs_deliver_cb_init_call_back_state3(struct afs_call *call)
{
struct sockaddr_rxrpc srx;
struct afs_server *server;
struct afs_uuid *r;
unsigned loop;
@ -398,8 +397,9 @@ static int afs_deliver_cb_init_call_back_state3(struct afs_call *call)
/* we'll need the file server record as that tells us which set of
* vnodes to operate upon */
rxrpc_kernel_get_peer(call->net->socket, call->rxcall, &srx);
server = afs_find_server(call->net, &srx);
rcu_read_lock();
server = afs_find_server_by_uuid(call->net, call->request);
rcu_read_unlock();
if (!server)
return -ENOTCONN;
call->cm_server = server;