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sunrpc: don't check for failure from mempool_alloc() 

When mempool_alloc() is allowed to sleep (GFP_NOIO allows
sleeping) it cannot fail.
So rpc_alloc_task() cannot fail, so rpc_new_task doesn't need
to test for failure.
Consequently rpc_new_task() cannot fail, so the callers
don't need to test.

Signed-off-by: NeilBrown <neilb@suse.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
NeilBrown 2017-04-10 12:19:40 +10:00 committed by Trond Myklebust
parent 518662e0fc
commit 62b2417e84
2 changed files with 0 additions and 13 deletions
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8
net/sunrpc/clnt.c
View File

@ -1042,8 +1042,6 @@ struct rpc_task *rpc_run_task(const struct rpc_task_setup *task_setup_data)
struct rpc_task *task;
task = rpc_new_task(task_setup_data);
if (IS_ERR(task))
goto out;
rpc_task_set_client(task, task_setup_data->rpc_client);
rpc_task_set_rpc_message(task, task_setup_data->rpc_message);
@ -1053,7 +1051,6 @@ struct rpc_task *rpc_run_task(const struct rpc_task_setup *task_setup_data)
atomic_inc(&task->tk_count);
rpc_execute(task);
out:
return task;
}
EXPORT_SYMBOL_GPL(rpc_run_task);
@ -1140,10 +1137,6 @@ struct rpc_task *rpc_run_bc_task(struct rpc_rqst *req)
* Create an rpc_task to send the data
*/
task = rpc_new_task(&task_setup_data);
if (IS_ERR(task)) {
xprt_free_bc_request(req);
goto out;
}
task->tk_rqstp = req;
/*
@ -1158,7 +1151,6 @@ struct rpc_task *rpc_run_bc_task(struct rpc_rqst *req)
WARN_ON_ONCE(atomic_read(&task->tk_count) != 2);
rpc_execute(task);
out:
dprintk("RPC: rpc_run_bc_task: task= %p\n", task);
return task;
}

5
net/sunrpc/sched.c
View File

@ -965,11 +965,6 @@ struct rpc_task *rpc_new_task(const struct rpc_task_setup *setup_data)
if (task == NULL) {
task = rpc_alloc_task();
if (task == NULL) {
rpc_release_calldata(setup_data->callback_ops,
setup_data->callback_data);
return ERR_PTR(-ENOMEM);
}
flags = RPC_TASK_DYNAMIC;
}