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SUNRPC: Cleanup - make rpc_new_task() call rpc_release_calldata on failure 

Also have it return an ERR_PTR(-ENOMEM) instead of a null pointer.

Reviewed-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2010-04-16 16:41:10 -04:00
parent ee5ebe851e
commit 19445b99b6
2 changed files with 14 additions and 18 deletions
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19
net/sunrpc/clnt.c
View File

@ -556,26 +556,16 @@ static const struct rpc_call_ops rpc_default_ops = {
*/
struct rpc_task *rpc_run_task(const struct rpc_task_setup *task_setup_data)
{
struct rpc_task *task, *ret;
struct rpc_task *task;
task = rpc_new_task(task_setup_data);
if (task == NULL) {
rpc_release_calldata(task_setup_data->callback_ops,
task_setup_data->callback_data);
ret = ERR_PTR(-ENOMEM);
if (IS_ERR(task))
goto out;
}
if (task->tk_status != 0) {
ret = ERR_PTR(task->tk_status);
rpc_put_task(task);
goto out;
}
atomic_inc(&task->tk_count);
rpc_execute(task);
ret = task;
out:
return ret;
return task;
}
EXPORT_SYMBOL_GPL(rpc_run_task);
@ -657,9 +647,8 @@ 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 (!task) {
if (IS_ERR(task)) {
xprt_free_bc_request(req);
task = ERR_PTR(-ENOMEM);
goto out;
}
task->tk_rqstp = req;

13
net/sunrpc/sched.c
View File

@ -856,16 +856,23 @@ struct rpc_task *rpc_new_task(const struct rpc_task_setup *setup_data)
if (task == NULL) {
task = rpc_alloc_task();
if (task == NULL)
goto out;
if (task == NULL) {
rpc_release_calldata(setup_data->callback_ops,
setup_data->callback_data);
return ERR_PTR(-ENOMEM);
}
flags = RPC_TASK_DYNAMIC;
}
rpc_init_task(task, setup_data);
if (task->tk_status < 0) {
int err = task->tk_status;
rpc_put_task(task);
return ERR_PTR(err);
}
task->tk_flags |= flags;
dprintk("RPC: allocated task %p\n", task);
out:
return task;
}