SUNRPC: Fix "EPIPE" error on mount of rpcsec_gss-protected partitions

 gss_create_upcall() should not error just because rpc.gssd closed the
 pipe on its end. Instead, it should requeue the pending requests and then
 retry.

 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index c76ea221798c..16a2458f38f7 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -174,7 +174,7 @@ rpc_pipe_release(struct inode *inode, struct file *filp)
                 goto out;
         msg = (struct rpc_pipe_msg *)filp->private_data;
         if (msg != NULL) {
-                msg->errno = -EPIPE;
+                msg->errno = -EAGAIN;
                 list_del_init(&msg->list);
                 rpci->ops->destroy_msg(msg);
         }
@@ -183,7 +183,7 @@ rpc_pipe_release(struct inode *inode, struct file *filp)
         if (filp->f_mode & FMODE_READ)
                 rpci->nreaders --;
         if (!rpci->nreaders)
-                __rpc_purge_upcall(inode, -EPIPE);
+                __rpc_purge_upcall(inode, -EAGAIN);
         if (rpci->ops->release_pipe)
                 rpci->ops->release_pipe(inode);
 out: