| commit | 9c07b75b80eeff714420fb6a4c880b284e529d0f | [log] [tgz] |
|---|---|---|
| author | Trond Myklebust <trond.myklebust@hammerspace.com> | Thu Apr 30 15:08:26 2020 -0400 |
| committer | Trond Myklebust <trond.myklebust@hammerspace.com> | Thu Apr 30 15:08:26 2020 -0400 |
| tree | 0249c9037cd08d13e2d1c354c27ffad8636f08cb | |
| parent | 8e2912c7c69e3f5cbf830d529a42b9940e98950b [diff] |
NFS: Fix a race in __nfs_list_for_each_server()
The struct nfs_server gets put on the cl_superblocks list before
the server->super field has been initialised, in which case the
call to nfs_sb_active() will Oops. Add a check to ensure that
we skip such a list entry.
Fixes: 3c9e502b59fb ("NFS: Add a helper nfs_client_for_each_server()")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>