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Diffstat (limited to 'net/sunrpc/clnt.c')
-rw-r--r--net/sunrpc/clnt.c32
1 files changed, 17 insertions, 15 deletions
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 61c3abeaccae..6ab4cbd8a901 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -511,7 +511,7 @@ rpc_call_setup(struct rpc_task *task, struct rpc_message *msg, int flags)
if (task->tk_status == 0)
task->tk_action = call_start;
else
- task->tk_action = NULL;
+ task->tk_action = rpc_exit_task;
}
void
@@ -892,7 +892,7 @@ call_transmit(struct rpc_task *task)
if (task->tk_status < 0)
return;
if (!task->tk_msg.rpc_proc->p_decode) {
- task->tk_action = NULL;
+ task->tk_action = rpc_exit_task;
rpc_wake_up_task(task);
}
return;
@@ -1039,13 +1039,14 @@ call_decode(struct rpc_task *task)
sizeof(req->rq_rcv_buf)) != 0);
/* Verify the RPC header */
- if (!(p = call_verify(task))) {
- if (task->tk_action == NULL)
- return;
- goto out_retry;
+ p = call_verify(task);
+ if (IS_ERR(p)) {
+ if (p == ERR_PTR(-EAGAIN))
+ goto out_retry;
+ return;
}
- task->tk_action = NULL;
+ task->tk_action = rpc_exit_task;
if (decode)
task->tk_status = rpcauth_unwrap_resp(task, decode, req, p,
@@ -1138,7 +1139,7 @@ call_verify(struct rpc_task *task)
if ((n = ntohl(*p++)) != RPC_REPLY) {
printk(KERN_WARNING "call_verify: not an RPC reply: %x\n", n);
- goto out_retry;
+ goto out_garbage;
}
if ((n = ntohl(*p++)) != RPC_MSG_ACCEPTED) {
if (--len < 0)
@@ -1168,7 +1169,7 @@ call_verify(struct rpc_task *task)
task->tk_pid);
rpcauth_invalcred(task);
task->tk_action = call_refresh;
- return NULL;
+ goto out_retry;
case RPC_AUTH_BADCRED:
case RPC_AUTH_BADVERF:
/* possibly garbled cred/verf? */
@@ -1178,7 +1179,7 @@ call_verify(struct rpc_task *task)
dprintk("RPC: %4d call_verify: retry garbled creds\n",
task->tk_pid);
task->tk_action = call_bind;
- return NULL;
+ goto out_retry;
case RPC_AUTH_TOOWEAK:
printk(KERN_NOTICE "call_verify: server requires stronger "
"authentication.\n");
@@ -1193,7 +1194,7 @@ call_verify(struct rpc_task *task)
}
if (!(p = rpcauth_checkverf(task, p))) {
printk(KERN_WARNING "call_verify: auth check failed\n");
- goto out_retry; /* bad verifier, retry */
+ goto out_garbage; /* bad verifier, retry */
}
len = p - (u32 *)iov->iov_base - 1;
if (len < 0)
@@ -1230,23 +1231,24 @@ call_verify(struct rpc_task *task)
/* Also retry */
}
-out_retry:
+out_garbage:
task->tk_client->cl_stats->rpcgarbage++;
if (task->tk_garb_retry) {
task->tk_garb_retry--;
dprintk("RPC %s: retrying %4d\n", __FUNCTION__, task->tk_pid);
task->tk_action = call_bind;
- return NULL;
+out_retry:
+ return ERR_PTR(-EAGAIN);
}
printk(KERN_WARNING "RPC %s: retry failed, exit EIO\n", __FUNCTION__);
out_eio:
error = -EIO;
out_err:
rpc_exit(task, error);
- return NULL;
+ return ERR_PTR(error);
out_overflow:
printk(KERN_WARNING "RPC %s: server reply was truncated.\n", __FUNCTION__);
- goto out_retry;
+ goto out_garbage;
}
static int rpcproc_encode_null(void *rqstp, u32 *data, void *obj)