mirror of https://gitee.com/openkylin/linux.git
SUNRPC: Fix Oopsable condition in rpc_pipefs
The elements on rpci->in_upcall are tracked by the filp->private_data, which will ensure that they get released when the file is closed. The exception is if rpc_close_pipes() gets called first, since that sets rpci->ops to NULL. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
parent
24aa1fe677
commit
bb184f3356
|
@ -59,7 +59,6 @@ __rpc_purge_upcall(struct inode *inode, int err)
|
|||
struct rpc_inode *rpci = RPC_I(inode);
|
||||
|
||||
__rpc_purge_list(rpci, &rpci->pipe, err);
|
||||
__rpc_purge_list(rpci, &rpci->in_upcall, err);
|
||||
rpci->pipelen = 0;
|
||||
wake_up(&rpci->waitq);
|
||||
}
|
||||
|
@ -119,6 +118,7 @@ rpc_close_pipes(struct inode *inode)
|
|||
down(&inode->i_sem);
|
||||
if (rpci->ops != NULL) {
|
||||
rpci->nreaders = 0;
|
||||
__rpc_purge_list(rpci, &rpci->in_upcall, -EPIPE);
|
||||
__rpc_purge_upcall(inode, -EPIPE);
|
||||
rpci->nwriters = 0;
|
||||
if (rpci->ops->release_pipe)
|
||||
|
|
Loading…
Reference in New Issue