forked from Minki/linux
Fix nfs_client refcounting if kmalloc fails in nfs4_proc_exchange_id and nfs4_proc_async_renew
If memory allocation fails for the callback data, we need to put the nfs_client or we end up with an elevated refcount. Signed-off-by: Dave Wysochanski <dwysocha@redhat.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
parent
0048fdd066
commit
5c737cb299
@ -4807,8 +4807,10 @@ static int nfs4_proc_async_renew(struct nfs_client *clp, struct rpc_cred *cred,
|
||||
if (!atomic_inc_not_zero(&clp->cl_count))
|
||||
return -EIO;
|
||||
data = kmalloc(sizeof(*data), GFP_NOFS);
|
||||
if (data == NULL)
|
||||
if (data == NULL) {
|
||||
nfs_put_client(clp);
|
||||
return -ENOMEM;
|
||||
}
|
||||
data->client = clp;
|
||||
data->timestamp = jiffies;
|
||||
return rpc_call_async(clp->cl_rpcclient, &msg, RPC_TASK_TIMEOUT,
|
||||
@ -7454,8 +7456,10 @@ static int _nfs4_proc_exchange_id(struct nfs_client *clp, struct rpc_cred *cred,
|
||||
return -EIO;
|
||||
|
||||
calldata = kzalloc(sizeof(*calldata), GFP_NOFS);
|
||||
if (!calldata)
|
||||
if (!calldata) {
|
||||
nfs_put_client(clp);
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
if (!xprt)
|
||||
nfs4_init_boot_verifier(clp, &verifier);
|
||||
|
Loading…
Reference in New Issue
Block a user