tree 5ce808e08fb64140389aa96e2940f1c53468dd12
parent c381ad2cf2d5dcd3991bcc8a18fddd9d5c66ccaa
author Chuck Lever <chuck.lever@oracle.com> 1245286930 -0700
committer Trond Myklebust <Trond.Myklebust@netapp.com> 1245286930 -0700

NFS: Return error code from nfs_callback_up() to user space

If the kernel cannot start the NFSv4 callback service during a mount
request, it returns -ENOMEM to user space, resulting in this message:

   mount.nfs4: Cannot allocate memory

Adjust nfs_alloc_client() and nfs_get_client() to pass NFSv4 callback
start-up errors back to user space so a less mysterious error message
can be displayed by the mount command.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>